Each system is designed to waterproof the roof and protect it from sun rain snow and more.
3 ply felt roof.
Offering an upgrade on the old fashioned bitumen and stone chip system of felt roofing the 3 layer felt roof system has changed the way these roofs are laid.
There are 3 main types of flat roofing systems.
Pros and cons of 3 flat roofing systems.
Generally seen as the more economical solution to flat roofing 3 ply torch on felt provides a lower cost flat roofing solution that will last for up to 20 years.
Roof termination for chimneys roof terminations for chimneys and single wall vents.
Built up roof bur modified bitumen and single ply.
Laying a felt roof is hard manual work which once started needs to be finished you cannot leave it halfway through to come back to in a couple of weeks.
Roll asphalt single ply multiple ply modified ply modified bitumen and flat seamed metal.
The best time to lay a felt roof using cold applied adhesive is when the weather is warm but this means that working on a flat roof can be exhausting work with the sun s heat and the heat.
Roof framing run roof slope gable height and gable area.
At the end of its long life typically in excess of 30 years the material is recyclable so single ply roofing is the right choice for our environment as well as.
The types of roofing methods we use are.
Type 3 glass fibre based felts are less durable and are only suitable for intermediate layers but can be used as a base layer when partially bonded.
A flat roof is usually a multi layer construction typically a 3 layer system or single ply.
Giving the benefit of longer lasting resistance to uv rays this method of laying flat roofs has a lot of advantages and is sure to be a fine choice for your dormer extension or anywhere else you have a flat roof.
Built up reinforced bitumen membrane.
3 layer felt 100mm thick.
Roll asphalt flat roof roll asphalt is made up of layers of asphalt coated fibreglass tar felt and water resistant materials all of which are kept in place with nails or asphalt cement.
Roof on annexe size 20 x10.
3 ply torch on felt roofing.
Vicky oxford single garage roof replacement of boards and roofing felt including lead flashing.
Felt tar and gravel roofing 3 ply 4 8 lb m ft 2 23 4 kg m 2 felt tar and gravel roofing 4 ply 5 3 lb m ft 2 25 9 kg m 2.
That said there are five main types of flat roof.
This means that the roof can be totally secured against wind and weather and the traditional weak points of the roof can be just as strong and secure as any other area of it.
Torch on applied roofing followed exactly the same principles as pour and roll.
Type 3g is perforated and can be used as a venting base layer to give a partial bond.