Eliminating Flat Roof Leaks & Standing Water
Old single-layer felt roofs and poorly detailed flat extensions are the primary source of residential leaks in the West of Ireland. Sub-standard timber decking, lack of correct falls, and UV degradation cause blisters, tears, and standing "ponding" water that eventually rots underlying ceiling joists.
Elevate Roofing & Building installs commercial-grade, multi-layer torch-on elastomeric felt systems. We strip away decayed boarding, install heavy-duty 18mm marine plywood or OSB3 deck boards, re-pitch flat surfaces with firing strips to guarantee positive drainage toward gutters, and apply a 3-layer system: perforated venting underlay, high-tensile glass-fibre reinforced intermediate layer, and a heavy 4.5kg slate-granule mineral cap sheet.
Flat Roofing Systems We Install
Heavy-duty SBS modified bitumen torch-welded into a seamless waterproof envelope with green, charcoal, or brown mineral finish.
High-efficiency PIR rigid insulation boards (100–120mm) fitted above the deck to eliminate cold bridging and boost your BER rating.
Laser-guided timber firrings installed to create a minimum 1:80 fall, ensuring rainwater drains smoothly into gutters.
Heavy GRP edge trims and aluminum water checks preventing water runoff over masonry facades.
Code 4 lead flashing or torch-welded felt aprons chased into brickwork to prevent leaks at wall joints.
Same-day emergency response for sudden tears, storm punctures, and overflowing flat roof gullies.
Our Flat Roof Replacement Process
Deck & Timber Inspection
We core-test the existing surface, check timber joists for dampness or rot, and calculate required drainage falls.
Deck Replacement & Priming
Damaged decking is stripped and replaced with tongue-and-groove OSB3 boards, followed by a fast-drying bitumen primer coat.
3-Layer Torch Application
Our certified technicians torch-apply the perforated base layer, reinforced intermediate underlay, and heavy mineral cap sheet with 100mm welded laps.
Water Flow Test & 20-Yr Guarantee
We perform a flood test to verify flawless drainage, seal edge trims, clean the site, and issue your 20-year written guarantee.
Frequently Asked Questions
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