Search results

We fit Sarna and i did laugh at a quote of £13k. 35m2 should be approx £3k plus access. Sarna don't give their full blown guarantee on domestic work neither.

It also states that if current 'U' is .35 upgrade of insulation is not required. And if you overlay an existing roof, its clased as a repair, so no insulation required.

Yes, with a foam bedding bar.

Insert lead valley, drop glass on one side and tile the other. Glass on foam strip though.

Labour should be guaranteed unconditionally.

£218 m2 :shock: You could do it in lead for less !

£58.75 m2 is dear, aim for £35 m2. The dick promoting fibreglass doth talk out of his arse.

Its not a coping stone, its a cheap paving slab. No drip bead or anything.

I have built and felted an angled kerb for a Velux, lead for flashing. You can get opening domes though. Look on Whitesales website.

What he said.

There's an art to it, can't be taught on tinternet. Roll felt up on a piece of 100 mm tube helps.

£2400 for EPDM :lol: :lol: :lol: GRP is crap.

Sarna/Bauder etc. GRP and Liquids are not single ply.

Nope, a 50mm insulation board 300mm wide will be fine for a gutter.

You can create a gutter in the insulation by using a thinner insulation. We usually do this when window cills are an issue.

Scaffolding supplied for ARB removal must be supplied by registered scaffolding co, it needs specialist cleaning after.

We fit approx 30,000m2 of S/P a year and 40,000 Felt. Thats proper single ply. Single ply more prone to damage by following trades, but all much of a muchness. More skill required to install felt systems.

PU Adhesive. Most insulation systems are now bonded in PU. if you are using a TR range of PUR it will take a PU fine. If you are using a T & G deck , even better. This applies only to liquid PU, do not use the Foam due to the need to lay labourers on boards until it cures !

You use thermal sleeves for fixing insulation under single ply. :lol: They have specified Foamglass because of its compressive strength. It negates the need for a ply deck. However, there are issues bonding a single ply to Foamglass, it will need to be a mechanically fixed system...

Lets take Bauder Total as an example. Actual roofs in existence of 50 years plus old (It used to be used as a tanking membrane for reservoirs in Germany) Insulated cost per m2 £85. Guarantee minimum 20 years extendable in 5 year increments subject to 5 yearly inspections. Bit cheaper...