Torch-On Membrane Waterproofing in Ampang
Looking for torch-on membrane waterproofing in Ampang? Our site teams in Selangor lay heat-welded bitumen membrane on car porches, flat roofs and roof slabs, indicatively RM7 to RM9 per sq ft with a 10-year warranty. Book a free inspection and receive a written quotation on the spot, with the cause explained in plain terms.
Book a free inspection
Torch-on membrane at RM7 – RM9 per sq ft is suited to flat-roof extensions and shop houses around Ampang Jaya.
Common roof problems in Ampang
- Steep hillside roofs see slipped tiles and wind-driven rain entering at ridges and hips.
- Leaves from surrounding hills and gardens block gutters and valley troughs.
- Older terraces in Pandan and Kosas have cracked tiles and ageing flashing at party walls.
Neighbourhoods we serve in Ampang
Taman Melawati, Ampang Jaya, Pandan Indah, Pandan Jaya, Taman Kosas, Bukit Antarabangsa, Ukay Heights, Taman Dagang
When a torch-on membrane is the right choice
Torch-on works best on flat or low-slope concrete surfaces that need a durable, thick waterproofing layer. It is often recommended when an old coating has failed, or when a previous membrane has blistered or opened at the laps.
- Car porch roofs leaking at the slab or at the house wall joint
- Shophouse and terrace extension roofs with regular ponding
- Roof slabs under water tanks or mechanical equipment
- Old membranes with open laps, blisters or tears
- Roofs where a coating has cracked and keeps peeling
How torch-on membrane is installed
The membrane itself is only part of the job. Most early failures we see come from poor preparation or rushed laps, so our site team works in a set order.
- Surface check: confirm the roof falls to its drains and mark ponding areas
- Preparation: remove loose old layers, clean and dry the slab, repair cracks and broken edges
- Primer: apply bitumen primer so the membrane bonds to the concrete
- Torching: roll out the sheets, heat-weld them down and fuse every overlap
- Detailing: turn the membrane up walls and parapets, and reinforce drains, corners and pipe penetrations
- Final check and water test, then handover with the 10-year warranty
Indicative prices (2026)
| Job | Price range | Warranty |
|---|---|---|
| Torch-on or liquid membrane waterproofing (flat/concrete roof, slab, car porch) | RM7 – RM9 per sq ft | 10 years |
| Minor roof leak repair (small area) | RM350 – RM1,800 | Up to 1 year workmanship |
| Roof inspection + on-the-spot quotation | FREE (remote areas RM150) | — |
Indicative ranges in Malaysia. The exact price is confirmed after the free inspection (roof design, pitch, access and damage).
What happens after you book
Tell us the problem
Send your address and a few photos. Tell us if it leaks only when it rains or also when it is dry.
Free inspection
A technician visits within 1–3 working days, water-tests and checks the roof, and shows you the cause.
Quotation on the spot
A clear written quotation. No obligation. Deposit only when you confirm.
Works + warranty
Our site team completes the job and you receive a written workmanship warranty.
Frequently asked questions
What is the torch-on membrane price in Ampang?
The indicative price in Ampang is RM7 to RM9 per sq ft, with a 10-year warranty. The final price for your Ampang roof is confirmed after the free inspection and measurement.
How fast can you start torch-on works in Ampang?
Inspection slots in Ampang are usually available within 1 to 3 working days. Once you confirm the quote, our Ampang site team schedules works in the next suitable dry weather window.
Do you waterproof car porches in Ampang?
Yes. Car porch roofs are one of the most common torch-on jobs we do in Ampang, including the joint where the porch meets the house wall.
Do you cover Taman Melawati, Bukit Antarabangsa and Pandan Indah?
Yes. Our central team covers Ampang, including Taman Melawati, Ampang Jaya, Pandan Indah, Pandan Jaya, Taman Kosas, Bukit Antarabangsa and Ukay Heights. Inspections and on-the-spot quotations are free. Book online with your address and some photos of the problem area.
How fast can a roofer come to Ampang?
Free roof inspections in Ampang are usually arranged within 1–3 working days. For hillside homes, our technician may need to plan access first, so photos of the roof and driveway help. During storm season, book early because slots fill quickly.
How much is torch-on membrane waterproofing in Malaysia?
Torch-on membrane waterproofing in Malaysia is indicatively RM7 to RM9 per sq ft in 2026, with a 10-year warranty. A 300 sq ft car porch would therefore cost roughly RM2,100 to RM2,700. The exact price is confirmed after our free inspection, depending on preparation, removal of old layers, upstands and access.
What is torch-on membrane?
Torch-on membrane is a reinforced bitumen waterproofing sheet. It is laid on a primed concrete surface and heated with a gas torch so it bonds to the slab, and each overlap is fused to the next sheet. The result is a thick, continuous waterproof layer, commonly used on flat roofs and car porches in Malaysia.
How long does torch-on membrane last?
Our torch-on membrane works carry a 10-year warranty. Real-world life depends on surface preparation, drainage and use. Roofs with blocked drains, constant ponding or frequent foot traffic wear faster, while a well-drained porch with clear outlets performs best. A simple post-monsoon check helps keep it in good shape.
Other roofing services in Ampang
Nearby areas
Seri Kembangan, Kepong, Kajang, Setia Alam, Klang, Cyberjaya