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Single ply roofing is a flat roof waterproofing system using a single sheet of flexible polymer membrane, typically PVC, TPO, or EPDM, fixed to the roof deck by mechanical fastening, full adhesive bonding, or loose-laid under ballast. This modern roof type is lightweight and highly resistant to changing temperatures.
The installation of single ply roofing contractors Ireland systems is rapid. The sheets are hot-air welded at the joints to create a continuous barrier. Homeowners frequently request PVC flat roof Ireland membranes or TPO roofing Ireland installations to replace old leaking asphalt structures on extensions.
Constructors.ie connects homeowners across Ireland with verified single ply roofing contractors in Dublin, Cork, Galway, Limerick, Waterford, and nationwide. Finding a certified roofer ensures proper hot air welding of the seams which is crucial to prevent water leaks.
The difference between single ply roofing and hotmelt roofing is that single ply roofing uses a single prefabricated polymer sheet with welded joints, whereas hotmelt roofing utilizes a double layer of poured liquid bitumen to form a seamless bond. When evaluating single ply vs hotmelt roofing, single ply is generally lighter and more cost effective for domestic extensions, while hotmelt is suited for podium decks. Understanding single ply roofing cost Ireland structures helps homeowners plan their budgets.
No naked flames or hot liquid bitumen are required on site, making the installation process safer and cleaner.
High thermal expansion capabilities allow the membrane to stretch and absorb structural movement without cracking.
Minimal load stress on the roof deck makes it perfect for timber frame extensions and retrofits.
Vetted local professionals ready to install and repair single ply flat roof systems.
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The roof deck is cleared, and high density rigid insulation boards are secured using fasteners or adhesive.
The chosen polymer sheet (PVC or TPO) is rolled out across the insulation, keeping it tensioned and wrinkle-free.
The sheets are secured to the roof structure along the overlaps using specialized plates and screws or heavy duty adhesives.
An automatic hot-air welder fuses the overlapping sheet seams at temperatures above 400 degrees, creating a permanent joint.
We connect property owners with verified single ply roofing specialist contractors in Dublin, Cork, Galway, Limerick, Waterford, and nationwide across all 32 counties.
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Single ply roofing is a flat roof waterproofing system using a single sheet of flexible polymer membrane, typically PVC, TPO, or EPDM, fixed to the roof deck by mechanical fastening, full adhesive bonding, or loose-laid under ballast.
Single ply roofing uses a prefabricated sheet membrane with welded seams. Hotmelt roofing is a poured liquid system with no seams or joints. Single ply is generally faster and lower cost to install. Hotmelt performs better on complex details and zero-fall roofs. Both are widely used in Ireland.
A correctly installed single ply roof lasts 20-30 years. Many systems carry manufacturer warranties of 15-20 years. Performance depends on correct detailing at upstands, outlets, and penetrations. Approved installer programmes from brands such as Sarnafil, Bauder, and Soprema are indicators of installation quality.
The main single ply systems specified in Ireland are PVC (polyvinyl chloride), TPO (thermoplastic polyolefin), and EPDM (ethylene propylene diene monomer). PVC and TPO are hot-air welded. EPDM is typically cold-bonded. All three are available through verified contractors on Constructors.ie across the Republic of Ireland and Northern Ireland.
Yes. Single ply membranes can be installed as an overlay on existing torch on felt and bituminous roofing provided the existing roof is structurally sound and the substrate is properly prepared. An overlay avoids the cost of full strip and disposal. A survey by a qualified roofer is required before specifying an overlay system.
"Sleek single ply PVC roof installed on our new kitchen extension. Fast installation and completely leak-free."
"Excellent EPDM single ply roofing completed on our flat roof garage. The local team did a fantastic job."