Old Membrane Removal & Replacement Services in Pakistan
When an old membrane or roof treatment has failed, coating over it rarely works. Waterproofing Hawks removes failed membranes, brittle bitumen and wet roof layers, repairs the slab and installs a new system that bonds properly and lasts.
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Old membrane removal and replacement means stripping a roof or terrace back to a sound base before installing new waterproofing. Many Pakistani roofs carry layers from decades of repairs: mud and brick tiles, cement screeds, poured bitumen and old membranes. Together they add weight, trap water and hide damage to the slab.
When replacement is the right choice
- The membrane is blistered, cracked or peeling over large areas
- Water is trapped between layers
- The roof keeps leaking after repeated repairs
- Old bitumen is brittle and cracked like dry mud
- The slab needs inspection for rust or spalling
- The roof is too heavy from accumulated layers
Benefits of starting fresh
Removing old layers lets us see and repair the slab, correct slopes, reduce weight and install a new membrane that bonds directly to sound concrete. See also old waterproofing removal and renewal.
Where we use old membrane removal & replacement and why
- Roofs with failed bitumen or membranes
- Terraces with hollow tiles and wet screed
- Roofs with heavy mud layers
- Commercial roofs at end of membrane life
Benefits
- Leaks fixed at the source
- Lighter roof
- Slab inspected and repaired
- New warranty
Leaking roof or a hot top floor? Let's fix it.
Book a free inspection today. Our expert will visit, find the cause and suggest the right solution.
Surface preparation: the step that decides how long old membrane removal & replacement lasts
Every membrane system, however good, depends on the surface it is applied to. Most membrane failures we repair across Pakistan were caused by poor preparation rather than poor material. That is why we treat preparation as the most important part of the job.
Removing what will not hold
Old coatings that are peeling, cracked bitumen, loose screed and wet mud or brick tile layers are removed. Laying a new membrane over failed material only seals water in and leads to blisters and early failure.
Repairing the base
Cracks are opened and filled, honeycombed or weak concrete is repaired with polymer mortar, and any exposed steel is cleaned and treated against rust.
Correcting slopes
Water that stands on a membrane for hours shortens its life. Low spots are filled so water runs freely to the outlets or drains.
Cleaning and drying
Dust, oil and loose particles are removed. Most systems need a dry surface, so we check moisture before applying primer and membrane.
Forming fillets
A rounded fillet is formed where horizontal surfaces meet walls, so the membrane turns the corner smoothly instead of being stretched over a sharp edge.
How we carry out old membrane removal & replacement
We protect the building and plan debris removal, then strip old layers with hand tools and light machinery, taking care not to damage the slab. Debris is lowered safely and removed from site. The exposed slab is inspected, cracks and damaged concrete repaired, and rusting steel treated. Slopes are corrected, and the new membrane system is installed, tested and protected.
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Detailing: where membranes succeed or fail
On any membrane project, the open flat areas are the easy part. The details are where water finds its way in, so we treat them before the main membrane goes down.
- Drains and outlets are reinforced with extra membrane or fabric and lapped into the pipe.
- Pipe penetrations receive collars or liquid membrane details.
- Wall upturns run up parapets and walls, usually 150 to 300 mm, and are terminated securely so water cannot get behind them.
- Expansion joints are bridged with flexible strips that allow the structure to move.
- Corners and edges are reinforced because they take the most stress.
- Tank bases, AC stands and solar frames are wrapped and sealed.
Careful detailing takes time, but it is what makes the difference between a membrane that lasts many years and one that leaks after the first monsoon.
Protecting the membrane after installation
A membrane is only as long-lasting as the protection over it. Sun, foot traffic, dropped tools and later construction work are the main threats. Depending on the area, we use one of these protection methods.
Reflective top coats
On exposed roofs, a white or aluminium coating reflects sunlight, keeps the membrane cooler and shields it from UV. It also reduces the heat entering the rooms below.
Mineral cap sheets
Some sheet membranes come with a factory-applied mineral granule surface that protects them from UV without an extra coating.
Protection screed and tiles
On terraces and roofs that are used regularly, a cement screed and tiles over the membrane give a hard-wearing surface while keeping the membrane safe underneath.
Protection boards
Below ground, on basement walls and foundations, boards protect the membrane from damage during backfilling and from sharp stones and roots.
Why homeowners rely on us
Honest advice, quality materials and clean work — on every single project.
Quality Service
We deliver reliable waterproofing solutions for long-lasting protection.
Skilled Team
Our team focuses on effective old membrane removal & replacement work and protection.
Quick Response
We respond promptly to your old membrane removal & replacement service inquiries.
Fair Pricing
We help customers explore suitable waterproofing options within budgets.
Leak Prevention
Our solutions help reduce water penetration and moisture damage.
Roof Protection
We help protect residential and commercial roofs from leakage.
Testing and quality control
We check the work at each stage rather than only at the end. During application we check overlaps on sheet membranes and measure wet film thickness on liquid membranes, so every area receives the specified amount. Before protection layers are added, we carry out a water test wherever practical by plugging drains and ponding the area for 24 to 48 hours, or by spraying walls and details. Only after the area passes do we add the protective finish. This way any small fault is found and fixed while it is easy to reach, not after tiles or screed have been laid over it.
New construction
The best time to install any membrane is during construction, before finishes are laid. Surfaces are accessible, details can be designed in, and the membrane can be fully protected. We are happy to work with your architect or contractor to plan waterproofing at the design stage, including drainage, upturn heights and protection layers.
Existing buildings
For older buildings, we first assess what is already there. Sometimes a new membrane can be installed over a sound existing surface after cleaning and priming. In other cases, failed layers, wet filling or old bitumen must be removed so the new system bonds properly. We explain the options and the trade-offs in cost, weight and life span, so you can make an informed decision. See old membrane removal and replacement.
Four simple steps to a dry home
A clear, hassle-free process from your first call to the final handover.
Get in Touch
Call, WhatsApp or fill the form and tell us about the problem.
Free Inspection
Our expert visits your site and finds the exact source of the issue.
Clear Quotation
You receive a detailed quote with materials, timeline and warranty.
Work & Handover
We complete the treatment on time and hand over your warranty.
Choosing a membrane for Pakistani conditions
Pakistan has some of the toughest conditions for waterproofing anywhere. Summer roof temperatures in Punjab and Sindh can damage weak materials within a few seasons. The monsoon brings weeks of heavy rain to Lahore, Islamabad, Sialkot and much of the north-east. Karachi and the coast have salty, humid air that attacks exposed materials, while Quetta, Gilgit and the northern hills face cold winters and snow.
A membrane chosen for one of these conditions may not suit another. In very hot areas we prefer UV-stable, reflective or protected systems. In heavy rain areas we focus on thickness, drainage and detailing. In coastal areas we choose salt and UV-resistant top coats. In cold areas we use membranes that stay flexible at low temperatures. We explain these choices during the inspection so you know why a system is recommended for your building.
- Installing on a wet surface, which leads to blisters and loss of bond
- Skipping the primer, so the membrane does not stick properly
- Narrow or poorly sealed overlaps that open after a few months
- No upturn at walls, letting water run behind the membrane
- Leaving bitumen exposed to the sun without protection
- Ignoring drains and pipes, which are where most leaks start
- No water test before covering the membrane
Our process is designed to avoid each of these mistakes, which is why our membranes deliver the life they are designed for.
Membrane care and maintenance
Membranes need very little care, but a few simple checks extend their life. Clean drains and outlets before the monsoon so water never ponds. Inspect exposed areas after major storms for damage or lifted edges. Refresh reflective top coats every few years. Avoid drilling or fixing anything through the membrane without sealed details, and call us before installing solar panels, dish antennas or new pipes. Small repairs made early are quick and inexpensive. See membrane repair and maintenance.
Old Membrane Removal & Replacement for homes, businesses and industry
We install old membrane removal & replacement for a wide range of clients across Pakistan. For homeowners, we focus on protecting top floor rooms and keeping costs clear and fair. For builders and developers, we work to construction schedules and coordinate with other trades so the membrane is installed and protected at the right stage. For commercial buildings such as plazas, offices, hospitals and schools, we plan work around opening hours and keep disruption low. For factories and warehouses, we cover large areas in phases so operations continue. Whatever the building, every project gets the same careful preparation, detailing and testing.
Our commitment on every membrane project
On every project we arrive on time, explain our findings clearly and give a written quote before starting. We protect your property, keep the site tidy, test our work wherever practical and return after the next rain to make sure everything is dry. If a warranty issue arises, we come back and put it right.
What affects the cost of old membrane removal & replacement
- Area, including wall upturns, parapets and details
- Condition of the surface and how much repair is needed
- Removal of old layers such as mud, tiles or failed membranes
- Number of details such as drains, pipes and equipment bases
- Protection layer, such as reflective coat, screed or tiles
- Access, including height and material lifting
After a free inspection we provide a written quote listing each item, the membrane thickness or number of layers and the warranty period.
Why choose Waterproofing Hawks for old membrane removal & replacement
- Experience with all major membrane systems, so we recommend what fits rather than one product
- Thorough surface preparation and detailing
- Quality checks and water testing before finishing
- Trained, safety-conscious applicators
- Clean sites and clear communication
- Written quote and warranty
We work across Pakistan, including Lahore, Islamabad, Rawalpindi, Karachi, Faisalabad, Multan and Peshawar. Call or WhatsApp 0321-4156036 or request a free inspection.
Related services you may need
Water and heat problems rarely come alone. These related services are often done together with old membrane removal & replacement.
Questions about Old Membrane Removal & Replacement
Answers to the questions customers ask us most about old membrane removal & replacement.
0321-4156036
Do I have to remove the old membrane?
If it is failed, loose or wet, yes. A sound, well-bonded membrane can sometimes be overlaid.
How long does removal take?
Usually one to three days for a house roof, depending on the layers.
Will the roof be exposed to rain?
We plan work in dry weather and cover open areas if needed.
Do you remove the debris?
Yes, debris removal is included in our quote.
Can membranes be installed in winter?
Yes, in most areas, on dry days. In cold northern areas we avoid freezing conditions.
Do membranes add weight to the roof?
Very little. Most membranes are much lighter than traditional mud and tile layers.
Do you provide a written warranty?
Yes. Complete systems come with a written warranty. The period depends on the system and is stated clearly in your quote.
How do I get a quote?
Call or WhatsApp 0321-4156036 or fill in the quote form on this page. We arrange a free inspection, then send a written quote with the scope, materials, timeline and warranty.
Can you work while we live in the building?
Yes. We plan work in stages, keep the site clean and safe, and agree working hours with you so daily life and business can continue with minimal disruption.
Which cities do you work in?
We work across Pakistan, including Lahore, Islamabad, Rawalpindi, Karachi, Faisalabad, Multan, Peshawar and many other cities. Call 0321-4156036 to check your area.
Latest tips & guides
Practical advice to help you protect your home from leakage and heat.