Replacing a Felt Roof.

An existing felt roof under 10 years old with failing joints

Loose felt was removed to inspect the structural timbers for damage

New firestone membrane laid over existing mineral felt to minimise disruption to the owner

Roof completed in just two days

The majority of the work was removing and reinstalling the concrete ridge.

The actual installation of the membrane thus waterproofing the roof was carried out in under four hours

Local School Roof recently refurbished.

The refurb. included upgrade of the insulation to meet current building regulations, then the membrane was fully adhered to the compatible insulation.
Any areas of decking that were rotten were first repaired, then the felt was reinstated allowing the old covering to be utilised as the vapour control layer, preventing chance of condensation build up within the roof space.

This shows a method of ballasting the membrane.

This garage roof was completely refurbished as the felt had rotted and caused damage to the decking and roof joists. Using the decking as the ballast the owner was able to link the upstairs of the house to the garden having installed a patio door. Knowing the membrane will last in excess of 40 years removes the worry of membrane failure thus making all other construction work cost effective

Local Train Station - The picture shows one of the methods of mechanical attachment.

The old roof was removed including the rotten decking.
New 18mm marine grade ply was then screwed to the existing joists, visqueen was then used as the vapour control layer, then insulation mechanically fixed, then the EPDM was mechanically attached to the new deck with screws and metal battens.
The batten cover strip can clearly be seen. (These spacings are calculated by the manufacturer to ensure the finished roof meets the Building regulations for wind up-lift and will not blow off.

Classroom roof

Rotten felt had resulted in this school classroom roof sagging in several areas, localised repairs were carried out, a 6mm ply was then mechanically attached using pressure plates and screws. The new membrane was fully adhered.

Another great example of using ballast.

This roof was once waterproofed with slate.
This was removed along with the old roof trusses, new joists, insulation and decking were installed.
The membrane is adhered only at the perimeter; the paving slabs are fitted on plastic paving support feet to form the ballast.

Showing the versatility of EPDM.

Normally if this valley gutter had been done in lead, it would need individual pieces no bigger than 1.5m (or 4.5ft) in length.
This gutter lining was over 5m long and done entirely in one piece.
Labour time is reduced and material cost is less, but it will still last over 40 years.

The Arabian Tower in Dubai, the only 7* hotel in the world uses EPDM to waterproof the roof.

The new McLAREN F1 team head quarters in Surrey

One of ALDI SUPERMARKETS distribution centres

The massive Honda manufacturing plant in Swindon.