Twinwall is a high quality, multi-wall polycarbonate glazing sheet extruded from Lexan resin. This product has a thin wall tunnel rectangular structure, which may be an excellent candidate for vertical and curved applications. Also, it offers high impact strength, excellent light transmission, light weight, easy installation, long-term weather resistance, outstanding thermal insulation properties.
10 year warranty
How to install a manhole
We show you how to install a manhole in your ceiling to give you access to the roof cavity.
How to install a skylight
Making the most of the available natural light is a great way to save on your energy costs. We’ll show you how to install a skylight to brighten up the rooms in your home.
How to install a roof vent
Find out how to install a roof vent to keep your roof-space cooler in summer and drier in winter.
Heating & Cooling
How to install ceiling insulation
Keep your home warmer in winter and cooler in summer by insulating your ceilings. We’ll show you all you need to know about installing ceiling insulation.
How to clean roof tiles
Cleaning old roof tiles is a quick way to give any house a facelift. Discover how to do the cleaning yourself.
How to build a stud wall
Tips for building a stud wall inside an existing house frame
How to render
Find out how easy it is to freshen up an old brick wall with render. Just follow our step-by-step guide.
How to fix a door jamb
You only need a few basic tools and some timber to repair a broken door jamb. We’ll teach you how to remove and replace one yourself.