Warm Roofs

Warm roofs are insulated roofs with a very low "U-value": 'U-value' measures the rate at which heat transfers over time through a building element (e.g., the roof). The better your roof retains heat, the lower your roof's U-value. All roofs need to be insulated but warm roofs can be insisted upon by building regs, especally where a new roof joins a main building. Because the polymer roofing system reuses spent plastic particles, it retains the thermal insulation properties of plastic, making it an ideal choice for the job (it works for 'cold' roof insulation too - click through to see how we help with each). It's also jointless and seamless, making it harder for heat to escape, and can be tapered to ensure good water drainage.

Installation of porcelain tiles over a tapered insulated terrace

This balcony terrace roof in Manchester, accessed from sliding doors, required tapered warm-roof insulation and porcelain tile topping to bring it up to the level of the doors. The porcelain tiles needed sturdy, durable support from below whilst leaving sufficient space for insulation. As the photo shows, this was achieved using a system of raised steel supports, padded from below to avoid damage to the polymer roofing below, and clips to…

The finished roof - fully waterproof & 'perfect forming' around a central skylight

This new roof extension on a roof in Brentwood, Essex, was relatively straightforward despite the prominent central skylight and the fact it adjoins the main roof. The polymer system's inherent flexibility means details and joins are no problem.

As the photo shows, the finished roof is jointless and seamless, and "perfect forming" around the central skylight. It was also fully mechanically cured within 72 hrs, fully waterproof and…

Layered tapering is no problem for polymer roofing

This flat roof on Spear Street in Manchester needed a warm roof installation (click to find out more about warm roofs, cold roofs and flat roofs, or use the nav link above). To ensure good heat efficency, the government set strict U-Values for many types of roof, with lower numbers being better. Using the polymer system, we were able to achieve a fantastic 0.15 U-Value on this roof.

Take a look through the pictures above to see the…

As we stripped back the roof, problems grew clearer

This roof in Tal-Y-Bont in Ceredigion (between Aberystwyth and Machynlleth) shows what can happen when previous roofers have not fitted a roof to proper standards in accordance with Building Regulations - in this case, serious condensation problems.

All roofs in the UK need to be insulated but the level of insulation depends on whether it's a "warm roof" or a "cold roof", which in turn depends upon factors such as the position of the…

The warm roof insulation layer is installed

This flat roof in Waunfawr, Aberystwith in Ceredigion (West Wales) required warm roof insulation to comply with government U-values regarding (a measure of the rate of heat transfer across a surface). Roof "obstacles" and detailing are no problem at all for the polymer system but in this case were sparse, being limited primarily to chimney venting.

We installed the requisite insulation course (see our specialist warm roof / flat roof…

This Warm Roof on St Davids Rd, Aberystwth abuts the main property

The abutting roof on this property on St Davids Road in Aberystwth needed full insulation to comply with governmental "U-Value" standards. "Warm roofs" differ from cold roofs in that they do not require ventilation and the insulation is placed above, rather than between the joists. They are required by law on certain roof types such as where people will live and/or work beneath or, as here, where an extension meets the main roof (see warm…