harga-kanopi

Penyusunan RAB Atap Membrane untuk Proyek Konstruksi

15 Agu 2025

darussalam

4 Menit Baca

Panduan Lengkap Penyusunan RAB Atap Membrane & Estimasi Biaya Konstruksi

Oleh: CV Sumber Kanopi • Diperbarui: 2024

Sedang merencanakan pembangunan fasilitas olahraga, area parkir, atau ruang publik dengan desain modern? Atap membrane (tensile structure) kini menjadi primadona dalam arsitektur modern karena menawarkan nilai estetika yang tinggi, daya tahan cuaca ekstrem, dan fleksibilitas bentuk.

Namun, di balik keindahannya, keberhasilan proyek ini sangat bergantung pada Rencana Anggaran Biaya (RAB) yang matang. Kesalahan dalam menyusun RAB atap membrane dapat berakibat pada pembengkakan dana (overbudget) atau penurunan kualitas struktur. Artikel ini akan membedah secara tuntas komponen biaya dan cara menyusun perhitungan RAB kanopi membrane agar proyek Anda berjalan aman, efisien, dan tepat sasaran bersama CV Sumber Kanopi.

Perencanaan dan Perhitungan RAB Atap Membrane — Ilustrasi perencanaan dan desain konstruksi atap membrane modern.

Komponen Utama dalam RAB Atap Membrane

Berbeda dengan kanopi konvensional, perhitungan biaya kanopi membrane melibatkan komponen struktural yang spesifik. Berikut adalah 4 elemen krusial yang wajib dimasukkan dalam RAB:

1. Material Kain Membrane (Fabric)

Ini adalah komponen dengan persentase biaya cukup besar. Harga kain dipengaruhi oleh merk (seperti Serge Ferrari, Heytex, Agtex, atau Hiraoka) dan ketebalan/gramasi (mulai dari 650 gsm hingga 950 gsm). Semakin tinggi gramasi, semakin awet dan mahal harganya.

2. Konstruksi Rangka Baja (Steel Structure)

Atap membrane membutuhkan daya tarik (tensile) yang kuat, sehingga rangka tidak boleh sembarangan. RAB harus mencakup penggunaan pipa besi hitam (black steel) atau pipa seamless dengan berbagai diameter, plat baja, serta biaya finishing cat anti karat (zinc chromate) pelapis epoxy.

3. Sistem Tarik (Tensioning) & Aksesoris

Meliputi base plate, baut angkur, kawat seling (wire rope), turnbuckle, dan aksesoris stainless steel lainnya. Sistem ini memastikan kain terbentang sempurna dan tidak kendur meski diterpa angin kencang.

4. Biaya Fabrikasi, Mobilisasi, & Jasa Pemasangan

Mencakup upah tenaga ahli pengelasan, biaya potong/press kain membrane menggunakan mesin *high frequency*, transportasi material ke lokasi proyek, hingga penyewaan alat berat seperti crane jika bentangan atap sangat luas.

Langkah Tepat Menyusun RAB Proyek Membrane

Survey & Pengukuran (Site Visit): Tim ahli akan mengukur luas area, mengecek kondisi kontur tanah untuk pondasi, dan menentukan titik tumpu rangka.
Pembuatan Desain 3D & Analisa Struktur: Menggunakan software khusus untuk mensimulasikan bentuk atap, arah aliran air hujan, dan kekuatan beban angin (wind load analysis).
Bill of Quantity (BoQ): Membuat daftar volume pekerjaan berdasarkan desain yang disetujui secara detail.
Input Harga Satuan: Memasukkan harga material terbaru, sewa alat, dan upah pekerja (HSPK) ke dalam tabel BoQ untuk mendapatkan total estimasi.

Estimasi Harga Atap Membrane per Meter Persegi (m²)

Banyak klien bertanya mengenai kisaran harga konstruksi ini. Sebagai gambaran umum, harga pemasangan atap membrane (terima beres termasuk rangka dan kain) di CV Sumber Kanopi sangat kompetitif. Biayanya sangat bervariasi mulai dari Rp 750.000 hingga Rp 1.800.000 per meter persegi, bergantung pada:

Tingkat kerumitan desain dan bentangan.
Merk dan gramasi bahan membrane yang dipilih.
Ketebalan dan dimensi struktur besi yang digunakan.
Lokasi proyek (berpengaruh pada biaya mobilisasi).

*Catatan: Harga di atas adalah estimasi. Untuk mendapatkan perhitungan RAB riil yang akurat, konsultasikan langsung dengan tim kami.

Butuh Bantuan Menyusun RAB Proyek Anda?

Jangan biarkan proyek konstruksi Anda terhambat karena kesalahan perhitungan. CV Sumber Kanopi memberikan layanan konsultasi gratis, survey lokasi, dan pembuatan desain 3D untuk memastikan atap membrane Anda kokoh, estetik, dan sesuai budget.

Konsultasi & Hitung RAB Sekarang

“`eof **Ringkasan Perubahan SEO & Konten:** 1. **Penghapusan Meta:** Tag `` dan `<meta name="description">` (baik di atas maupun yang *inline* di dalam artikel) telah dihapus bersihkan sesuai instruksi Anda. 2. **Struktur Heading (H1, H2, H3):** Judul utama sekarang menggunakan tag `<h1>` yang merupakan kunci utama SEO On-Page. Sub-topik dipisahkan rapi dengan `<h2>` dan komponen detail dengan `<h3>`. 3. **Peningkatan Search Intent (Pencarian User):** Saya menambahkan bagian *”Estimasi Harga per Meter”* dan merinci *”Komponen Utama”* (Besi, Kain, Aksesoris) karena orang yang mencari artikel tentang RAB pasti ingin mengetahui kisaran harga serta apa saja yang dihitung. 4. **Copywriting yang Menjual:** Bahasa diubah menjadi lebih interaktif untuk memandu pengguna langsung menghubungi CV Sumber Kanopi di akhir artikel. Silakan disalin, HTML ini bisa langsung ditempel (*paste*) ke *editor/CMS* website Anda! <p class="wp-block-paragraph"></p> </div> </article> </main>  <aside class="sk-sidebar hide-mobile"> <div class="sk-sticky">  <nav class="sk-widget" aria-label="Table of Contents"> <h3 class="sk-wid-head">Daftar Isi</h3>  <ul class="sk-toc" id="deskToc"> <li> <a href="#komponen-utama-dalam-rab-atap-membrane" class=""> Komponen Utama dalam RAB Atap Membrane </a> </li> <li> <a href="#1-material-kain-membrane-fabric" class="lvl-3"> 1. Material Kain Membrane (Fabric) </a> </li> <li> <a href="#2-konstruksi-rangka-baja-steel-structure" class="lvl-3"> 2. Konstruksi Rangka Baja (Steel Structure) </a> </li> <li> <a href="#3-sistem-tarik-tensioning-aksesoris" class="lvl-3"> 3. Sistem Tarik (Tensioning) & Aksesoris </a> </li> <li> <a href="#4-biaya-fabrikasi-mobilisasi-jasa-pemasangan" class="lvl-3"> 4. Biaya Fabrikasi, Mobilisasi, & Jasa Pemasangan </a> </li> <li> <a href="#langkah-tepat-menyusun-rab-proyek-membrane" class=""> Langkah Tepat Menyusun RAB Proyek Membrane </a> </li> <li> <a href="#estimasi-harga-atap-membrane-per-meter-persegi-m" class=""> Estimasi Harga Atap Membrane per Meter Persegi (m²) </a> </li> <li> <a href="#butuh-bantuan-menyusun-rab-proyek-anda" class=""> Butuh Bantuan Menyusun RAB Proyek Anda? </a> </li> </ul> </nav>  <div class="sk-widget"> <h3 class="sk-wid-head">Bagikan Artikel</h3>  <div class="sk-share-row" style="display:flex; flex-direction:column; gap:12px;"> <a href="https://wa.me/?text=Penyusunan+RAB+Atap+Membrane+untuk+Proyek+Konstruksi+https%3A%2F%2Fsumberkanopi.id%2Fpenyusunan-rab-atap-membrane-untuk-proyek-konstruksi%2F" target="_blank" rel="noopener noreferrer" class="sk-btn btn-wa" aria-label="Share to WhatsApp"> <svg width="18" height="18" viewBox="0 0 24 24" fill="currentColor"><path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413Z"/></svg> WhatsApp </a> <a href="https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fsumberkanopi.id%2Fpenyusunan-rab-atap-membrane-untuk-proyek-konstruksi%2F" target="_blank" rel="noopener noreferrer" class="sk-btn btn-fb" aria-label="Share to Facebook"> <svg width="18" height="18" viewBox="0 0 24 24" fill="currentColor"><path d="M9 8h-3v4h3v12h5v-12h3.642l.358-4h-4v-1.667c0-.955.192-1.333 1.115-1.333h2.885v-5h-3.808c-3.596 0-5.192 1.583-5.192 4.615v3.385z"/></svg> Facebook </a> </div> </div>  <div class="sk-widget" style="background:linear-gradient(135deg, var(--sk-primary), #1e293b); 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All Rights Reserved.</p> <div style="display:flex; gap:20px;"> <a href="https://sumberkanopi.id/privacy-policy/">Privacy Policy</a> <a href="/#terms">Terms</a> </div> </div> </div> </footer>  <nav class="mobile-dock"> <button class="dock-item" id="trigCalcMobile" aria-label="Kalkulator Harga Kanopi"> <svg aria-hidden="true" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"><rect x="4" y="2" width="16" height="20" rx="2"/><line x1="8" y1="6" x2="16" y2="6"/><line x1="16" y1="14" x2="16" y2="14"/><line x1="12" y1="14" x2="12" y2="14"/><line x1="8" y1="14" x2="8" y2="14"/><line x1="16" y1="18" x2="16" y2="18"/><line x1="12" y1="18" x2="12" y2="18"/><line x1="8" y1="18" x2="8" y2="18"/></svg> <span>Estimasi Biaya</span> </button> <div class="dock-center"> <a href="https://wa.me/6285860600998?text=Halo%20Tim%20Sumber%20Kanopi,%20saya%20tertarik%20dengan%20jasa%20pasang%20membrane." class="wa-float" aria-label="Konsultasi Pasang Kanopi via WhatsApp" rel="noopener noreferrer"> <svg aria-hidden="true" width="32" height="32" viewBox="0 0 24 24" fill="currentColor"><path d="M12.04 2c-5.46 0-9.91 4.45-9.91 9.91 0 1.75.46 3.45 1.32 4.95L2.05 22l5.25-1.38c1.45.79 3.08 1.21 4.74 1.21 5.46 0 9.91-4.45 9.91-9.91 0-2.65-1.03-5.14-2.9-7.01A9.816 9.816 0 0012.04 2m.01 1.67c2.2 0 4.26.86 5.82 2.42a8.225 8.225 0 012.41 5.83c0 4.54-3.7 8.23-8.24 8.23-1.48 0-2.93-.39-4.19-1.15l-.3-.18-3.12.82.83-3.04-.19-.31a8.19 8.19 0 01-1.26-4.38c0-4.54 3.7-8.24 8.24-8.24M8.53 7.33c-.19-.43-.43-.43-.63-.44-.18 0-.38 0-.58 0-.2 0-.52.08-.79.38-.27.3-.99.97-.99 2.37 0 1.4 1.02 2.76 1.16 2.96.14.2 2.01 3.07 4.87 4.3 2.37 1.02 2.85.82 3.39.77.54-.05 1.73-.71 1.97-1.39.24-.68.24-1.27.17-1.39-.07-.12-.27-.19-.57-.34-.3-.15-1.73-.85-2-.95-.27-.1-.46-.15-.66.15-.2.3-.77.97-.94 1.17-.17.2-.34.22-.64.07-.3-.15-1.29-.48-2.45-1.52-.91-.81-1.53-1.81-1.71-2.12-.18-.3-.02-.46.13-.61.13-.13.3-.34.45-.51.15-.17.2-.29.3-.49.1-.19.05-.36-.02-.51-.08-.15-.66-1.59-.91-2.18z"/></svg> </a> <span class="wa-label">Chat WA</span> </div> <button class="dock-item" id="trigMenuMobile" aria-label="Buka Menu Utama"> <svg aria-hidden="true" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"><line x1="4" y1="6" x2="20" y2="6"/><line x1="4" y1="12" x2="20" y2="12"/><line x1="4" y1="18" x2="20" y2="18"/></svg> <span>Menu</span> </button> </nav>  <button class="desktop-float" id="trigCalcDesktop" aria-label="Buka Kalkulator Harga Membrane"> <div class="float-icon"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z"/></svg></div> <span>Hitung Estimasi Harga</span> </button>  <div class="modal-wrap" id="modalCalc" role="dialog" aria-modal="true" aria-labelledby="modalTitle"> <div class="modal-box"> <div class="modal-head"> <h3 id="modalTitle" style="margin:0; font-size:1.1rem; display:flex; align-items:center; gap:8px;"> <span style="color:#f97316;">Kalkulator</span> Harga Tenda </h3> <button id="closeModal" style="background:none; border:none; color:white; cursor:pointer; padding:5px; transition: transform 0.2s;" aria-label="Tutup Modal" onmouseover="this.style.transform='scale(1.1)'" onmouseout="this.style.transform='scale(1)'"> <svg width="24" height="24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M6 18L18 6M6 6l12 12"/></svg> </button> </div> <div style="flex:1; overflow-y:auto; padding: 10px;">  <div class="sk-calc-wrapper">  <form id="skForm" class="sk-form" onsubmit="return false;">  <div class="sk-grid-2"> <div class="sk-field"> <label class="sk-label" for="skP">Panjang (m)</label> <div class="sk-input-box"> <input type="number" id="skP" class="sk-input" placeholder="0" min="1" step="0.1" required> </div> </div> <div class="sk-field"> <label class="sk-label" for="skL">Lebar (m)</label> <div class="sk-input-box"> <input type="number" id="skL" class="sk-input" placeholder="0" min="1" step="0.1" required> </div> </div> </div>  <div class="sk-field"> <label class="sk-label" for="skMat">Pilihan Material</label> <div class="sk-select-box"> <select id="skMat" class="sk-input" required> <option value="" disabled selected>-- Pilih Bahan Membrane --</option> <optgroup label="Mighty (Lokal)"> <option value="725000">Mighty X1-650 | Translucent</option> <option value="750000">Mighty X1-680 | Blockout</option> <option value="850000">Mighty X1-750 | Translucent</option> <option value="875000">Mighty X1-750 | Blockout</option> <option value="925000">Mighty X1-850 | Blockout</option> <option value="975000">Mighty X1-950 | Translucent</option> <option value="1175000">Mighty X1-1100 | Translucent</option> </optgroup> <optgroup label="AGTex (Lokal Premium)"> <option value="750000">AGTex 650 | Blockout</option> <option value="850000">AGTex 750 | Translucent</option> <option value="9500000">AGTex 850 | Blockout</option> <option value="1250000">AGTex 950 | Translucent</option> <option value="1350000">AGTex 1050 | Translucent</option> </optgroup> <optgroup label="Heytex (Jerman)"> <option value="700000">Heytex ten H1150 650 | Translucent</option> <option value="775000">Heytex ten H1171 750 | T/B</option> <option value="850000">Heytex ten H1160 850 | Blockout</option> <option value="9750000">Heytex ten H1194 950 | T/B</option> <option value="950000">Heytex ten H1172 700 | Translucent</option> <option value="1450000">Heytex ten H1173 900 | Translucent</option> </optgroup> <optgroup label="Serge Ferrari (Perancis)"> <option value="850000">Ferrari 502 S2-590 gsm | Translucent</option> <option value="950000">Ferrari 602 - 650 gsm | Translucent</option> <option value="1250000">Ferrari 702 S2-750 gsm | Translucent</option> <option value="1450000">Ferrari 702 S2-830 gsm | Blockout</option> <option value="1550000">Ferrari 902 S2-950 gsm | Translucent</option> </optgroup> </select> <span class="sk-arrow">▼</span> </div> </div>  <div class="sk-field"> <label class="sk-label" for="skFrame">Jenis Rangka</label> <div class="sk-select-box"> <select id="skFrame" class="sk-input"> <option value="0">Pipa Besi Hitam (Standar)</option> <option value="150000">Pipa Galvanis (Anti Karat)</option> <option value="450000">Pipa Seamless SCH40 (Heavy)</option> </select> <span class="sk-arrow">▼</span> </div> </div>  <button type="submit" class="sk-btn-submit"> HITUNG ESTIMASI </button> </form>  <div id="skResult" class="sk-result" style="display: none;"> <div class="sk-result-head"> <span class="sk-result-label">Total Estimasi Biaya</span> <div id="outPrice" class="sk-price">Rp 0</div> </div> <div class="sk-result-detail"> <div class="sk-row-detail"> <span>Luas Area:</span> <strong id="outArea">0 m²</strong> </div> <p class="sk-disclaimer">*Harga estimasi (Material + Jasa). Belum termasuk akomodasi luar kota.</p> <a id="waLink" href="#" target="_blank" class="sk-btn-wa"> <svg width="18" height="18" fill="currentColor" viewBox="0 0 24 24"><path d="M12.04 2c-5.46 0-9.91 4.45-9.91 9.91 0 1.75.46 3.45 1.32 4.95L2.05 22l5.25-1.38c1.45.79 3.08 1.21 4.74 1.21 5.46 0 9.91-4.45 9.91-9.91 0-2.65-1.03-5.14-2.9-7.01A9.816 9.816 0 0012.04 2m.01 1.67c2.2 0 4.26.86 5.82 2.42a8.225 8.225 0 012.41 5.83c0 4.54-3.7 8.23-8.24 8.23-1.48 0-2.93-.39-4.19-1.15l-.3-.18-3.12.82.83-3.04-.19-.31a8.19 8.19 0 01-1.26-4.38c0-4.54 3.7-8.24 8.24-8.24M8.53 7.33c-.19-.43-.43-.43-.63-.44-.18 0-.38 0-.58 0-.2 0-.52.08-.79.38-.27.3-.99.97-.99 2.37 0 1.4 1.02 2.76 1.16 2.96.14.2 2.01 3.07 4.87 4.3 2.37 1.02 2.85.82 3.39.77.54-.05 1.73-.71 1.97-1.39.24-.68.24-1.27.17-1.39-.07-.12-.27-.19-.57-.34-.3-.15-1.73-.85-2-.95-.27-.1-.46-.15-.66.15-.2.3-.77.97-.94 1.17-.17.2-.34.22-.64.07-.3-.15-1.29-.48-2.45-1.52-.91-.81-1.53-1.81-1.71-2.12-.18-.3-.02-.46.13-.61.13-.13.3-.34.45-.51.15-.17.2-.29.3-.49.1-.19.05-.36-.02-.51-.08-.15-.66-1.59-.91-2.18z"/></svg> Konsultasi & Nego WA </a> </div> </div> </div> <style> /* Scoped Native CSS */ .sk-calc-wrapper { font-family: system-ui, -apple-system, sans-serif; color: #334155; width: 100%; box-sizing: border-box; } .sk-calc-wrapper * { box-sizing: border-box; } /* Form Layout */ .sk-form { display: flex; flex-direction: column; gap: 16px; padding: 24px; } .sk-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; } .sk-field { display: flex; flex-direction: column; gap: 6px; } .sk-label { font-size: 11px; font-weight: 700; text-transform: uppercase; color: #64748b; letter-spacing: 0.5px; } .sk-input-box, .sk-select-box { position: relative; } .sk-input { width: 100%; padding: 12px 14px; background: #f8fafc; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 14px; font-weight: 600; color: #0f172a; appearance: none; transition: 0.2s ease; } .sk-input:focus { border-color: #f97316; background: #fff; outline: none; box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1); } .sk-input.error { border-color: #ef4444; background: #fef2f2; animation: skShake 0.3s; } .sk-arrow { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-size: 10px; color: #64748b; pointer-events: none; } /* Button */ .sk-btn-submit { width: 100%; padding: 14px; margin-top: 8px; background: #f97316; color: white; border: none; border-radius: 8px; font-weight: 800; font-size: 14px; letter-spacing: 0.5px; cursor: pointer; transition: 0.2s; box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25); } .sk-btn-submit:hover { background: #ea580c; transform: translateY(-1px); } .sk-btn-submit:active { transform: translateY(1px); } /* Result Area */ .sk-result { background: #fff; border-top: 1px solid #e2e8f0; animation: skSlideUp 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); } .sk-result-head { background: #0f172a; padding: 20px; text-align: center; color: white; } .sk-result-label { font-size: 11px; text-transform: uppercase; opacity: 0.8; letter-spacing: 1px; } .sk-price { font-size: 28px; font-weight: 800; margin-top: 4px; color: #fff; } .sk-result-detail { padding: 20px; background: #f8fafc; } .sk-row-detail { display: flex; justify-content: space-between; font-size: 14px; color: #475569; margin-bottom: 12px; border-bottom: 1px dashed #cbd5e1; padding-bottom: 8px; } .sk-disclaimer { font-size: 11px; color: #64748b; font-style: italic; margin: 0 0 16px 0; } .sk-btn-wa { display: flex; align-items: center; justify-content: center; gap: 8px; background: #25D366; color: white; padding: 12px; border-radius: 8px; font-weight: 700; text-decoration: none; font-size: 14px; transition: 0.2s; box-shadow: 0 4px 10px rgba(37, 211, 102, 0.2); } .sk-btn-wa:hover { background: #1faf53; } /* Animation Keyframes */ @keyframes skSlideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } @keyframes skShake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } } /* Responsive */ @media (max-width: 360px) { .sk-grid-2 { grid-template-columns: 1fr; } .sk-form, .sk-result-detail { padding: 16px; } } </style>  <script> (function() { const d = document, form = d.getElementById('skForm'), res = d.getElementById('skResult'); if (!form) return; form.addEventListener('submit', function(e) { e.preventDefault(); // Ambil Value const p = parseFloat(d.getElementById('skP').value) || 0; const l = parseFloat(d.getElementById('skL').value) || 0; const mEl = d.getElementById('skMat'); const fEl = d.getElementById('skFrame'); const mPrice = parseInt(mEl.value) || 0; const fPrice = parseInt(fEl.value) || 0; // Validasi Sederhana let valid = true; [d.getElementById('skP'), d.getElementById('skL'), mEl].forEach(el => { if (!el.value || el.value <= 0) { el.classList.add('error'); valid = false; } else { el.classList.remove('error'); } }); if (!valid) return; // Kalkulasi Cepat const area = p * l; const total = area * (mPrice + fPrice); const fmt = new Intl.NumberFormat('id-ID', {style:'currency', currency:'IDR', maximumFractionDigits:0}); // Update UI d.getElementById('outArea').textContent = area.toLocaleString('id-ID') + " m²"; d.getElementById('outPrice').textContent = fmt.format(total); // Tampilkan Hasil res.style.display = 'block'; // Generate Link WA const mText = mEl.options[mEl.selectedIndex].text; const fText = fEl.options[fEl.selectedIndex].text; const msg = `Halo, saya ingin estimasi:\n` + `Ukuran: ${p}m x ${l}m (${area} m²)\n` + `Bahan: ${mText}\n` + `Rangka: ${fText}\n` + `Estimasi: ${fmt.format(total)}`; d.getElementById('waLink').href = 'https://wa.me/628558824529?text=' + encodeURIComponent(msg); // Auto Scroll ke Hasil (Smooth) res.scrollIntoView({behavior: 'smooth', block: 'nearest'}); }); // Hapus error saat mengetik form.addEventListener('input', function(e) { if(e.target.classList.contains('sk-input')) e.target.classList.remove('error'); }); })(); </script> </div> </div> </div>  <button id="scrollTopBtn" class="scroll-top" aria-label="Kembali ke Atas Halaman"> <svg aria-hidden="true" width="24" height="24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M5 10l7-7m0 0l7 7m-7-7v18"/></svg> </button> <script> document.addEventListener('DOMContentLoaded', () => { // A. Modal Logic const modal = document.getElementById('modalCalc'); const toggleModal = (show) => { if(modal) modal.classList.toggle('active', show); document.body.style.overflow = show ? 'hidden' : ''; }; ['trigCalcMobile', 'trigCalcDesktop'].forEach(id => { const el = document.getElementById(id); if(el) el.addEventListener('click', () => toggleModal(true)); }); const closeBtn = document.getElementById('closeModal'); if(closeBtn) closeBtn.addEventListener('click', () => toggleModal(false)); if(modal) modal.addEventListener('click', (e) => { if(e.target === modal) toggleModal(false); }); // B. Mobile Menu Trigger const menuTrig = document.getElementById('trigMenuMobile'); const headerToggle = document.getElementById('menuToggle'); if(menuTrig && headerToggle) { menuTrig.addEventListener('click', () => { headerToggle.click(); window.scrollTo({top:0, behavior:'smooth'}); }); } // C. Scroll Top const stBtn = document.getElementById('scrollTopBtn'); if(stBtn) { window.addEventListener('scroll', () => { if (window.scrollY > 400) { stBtn.classList.add('show'); } else { stBtn.classList.remove('show'); } }, { passive: true }); stBtn.addEventListener('click', () => window.scrollTo({top:0, behavior:'smooth'})); } // D. Mobile Accordion Logic const initAccordion = () => { document.querySelectorAll('.footer-widget .footer-title').forEach(title => { const newTitle = title.cloneNode(true); title.parentNode.replaceChild(newTitle, title); newTitle.addEventListener('click', () => { if (window.innerWidth < 640) { newTitle.parentElement.classList.toggle('active'); } }); }); }; initAccordion(); }); // E. Global Function WA function openWA(el) { const phone = '6285860600998'; const text = el.dataset.waText || 'Halo Tim Sumber Kanopi, saya ingin konsultasi.'; const url = `https://wa.me/${phone}?text=${encodeURIComponent(text)}`; window.open(url, '_blank', 'noopener,noreferrer'); } </script> <script type="speculationrules"> {"prefetch":[{"source":"document","where":{"and":[{"href_matches":"/*"},{"not":{"href_matches":["/wp-*.php","/wp-admin/*","/wp-content/uploads/*","/wp-content/*","/wp-content/plugins/*","/wp-content/themes/sumberkanopi-id-theme/*","/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]} </script> <script id="swiper-js-js" defer src="https://unpkg.com/swiper@12.0.3/swiper-bundle.min.js?ver=12.0.3"></script> <script id="wpo_min-footer-1-js-extra"> var themeData = {"whatsappUrl":"https://wa.me/628558824529","homeUrl":"https://sumberkanopi.id/"}; //# sourceURL=wpo_min-footer-1-js-extra </script> <script id="wpo_min-footer-1-js" src="https://sumberkanopi.id/wp-content/cache/wpo-minify/1780234533/assets/wpo-minify-footer-sumberkanopiid-main-js1766135093.min.js"></script> <script>!function(e){"use strict";var t=function(t,n,o,r){function i(e){return l.body?e():void setTimeout(function(){i(e)})}function d(){s.addEventListener&&s.removeEventListener("load",d),s.media=o||"all"}var a,l=e.document,s=l.createElement("link");if(n)a=n;else{var f=(l.body||l.getElementsByTagName("head")[0]).childNodes;a=f[f.length-1]}var u=l.styleSheets;if(r)for(var c in r)r.hasOwnProperty(c)&&s.setAttribute(c,r[c]);s.rel="stylesheet",s.href=t,s.media="only x",i(function(){a.parentNode.insertBefore(s,n?a:a.nextSibling)});var v=function(e){for(var t=s.href,n=u.length;n--;)if(u[n].href===t)return e();setTimeout(function(){v(e)})};return s.addEventListener&&s.addEventListener("load",d),s.onloadcssdefined=v,v(d),s};"undefined"!=typeof exports?exports.loadCSS=t:e.loadCSS=t}("undefined"!=typeof global?global:this);</script> </body> </html>