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    Insulation Methods

    continuous over facia vents (& breathable roof felt)... is foam backed p/board out with little gain?
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    Insulation Methods

    New wrap around side extension with: Pitched roof (breathable felt on rafters /standard ceilings joists) Double skin/ insulated wall/new floor etc etc What are my options as regards insulation to the 'attic' / void ? will have inspection hatch , storage very limited if at all foam backed...
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    Insulation to eaves warm roof

    Ok let’s start again …. On the outer side of the two pitched sides of the roof is plywood, vapour barrier , 120 celotex, plywood , Sarnafil So that’s my warm roof . All I’m checking on is the requirements by the eaves and on the overhang by the triangular glazing , in terms of stopping cold air...
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    Insulation to eaves warm roof

    New kitchen extension which has pitched warm roof. Do I just need to 'celotex off' between each rafter to stop cold air coming in ?? (as ceilings will just be boarded- no insulation req ) Also above glazing a similar scenario ?? see pics second image is where eaves are shut off due to box gutter
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    Ceiling & additional wall Insulation

    New single storey side extension (wc/ utility & office) with tiled pitched roof (inc breathable membrane/felt) with rafters & ceiling joists So small void /storage area potentially all be it small, and insulation is priority Double skin (Con. blocks, cavity insulation , Fenlite Con blocks,)...
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    Replacement Solid Floor Insulation Options

    Thanks for your replies But isn’t there insulation that is more compact that has better u value rating.?? Therefore 75mm of it would equal your standard 100mm cellotex rating. This is the specific question I’m asking ?
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    Replacement Solid Floor Insulation Options

    House renovation with new extension New Floor / oversight on new extended room Replacement floor on existing part of house , with new oversight /membrane. Floor being hacked up Underfloor heating within new screed on all ground floor on one level Assuming Finished floor levels are correct and...
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    Glazing on RSJ with sliding doors

    ~Vaulted kitchen asymmetric roof single storey extension ~Block work with cavity supporting Catnic type RSJ ~Bespoke glazing (2 x triangular) on RSJ ~Sliding doors under RSJ ~Ali cladding C section over external of RSJ My concern pre door/glazing install is the detail on the RSJ with the...
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    EPDM Flashing

    This flange though this needs to stick to the EPDM?
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    EPDM Flashing

    I have a "classic bond' once piece EPDM roof I need to install an Ubbink extract ventilator through the roof. The base of this ventilator kit has a EPDM flange- Looks as if is supposed to be heat welded Can I seal / fix this any other way on the existing EPDM without using heat??
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    Cable sizing to Annexe

    Thanks to all that have responded. Useful information. An electrician will be consulted and on board , was just trying to evaluate things with groundwork etc really, ahead of the game. I'll get a design size/calc done as advised
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    Cable sizing to Annexe

    HI what size & type of cable is required if putting sub mains to an annexe & a garage . The main house is on external meter box Garage & annexe to have their own supply and consumer unit fed back from just before the house internal consumer unit (so all metered from main meter) Not sure what...
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    Induction & Oven connection

    Thanks guys really appreciate your advice so promptly too
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    Induction & Oven connection

    Fair play re plug - just trying simplify the 1st fix really to avoid a surface box could I run from the 32a dp switch : 1x 6mm to single outlet plate for hob 1 x 2.5mm to a socket for oven to plug into
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    Induction & Oven connection

    so can I cut the plug off and connect into the plate with the oven ?
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    Induction & Oven connection

    Small kitchen in a self contained detached annexe Best way of connecting / cable sizing for an Oven & Induction 2 zone hob Oven has plug on it and 2.2kw Hob is rated at 2.8kw. Is it best to run a 6mm to a single 32a dp switch , then a combined outlet plate behind oven or is this overkill ?
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    Velux on Sarnafil 15 deg Flashing

    So if timber kerbs are already built what flashing do I need to buy though?? Im obviously trying to avoid going above the 150mm (build regs) upstand height
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    Velux on Sarnafil 15 deg Flashing

    We have a 15 degree pitched warm roof with Sarnafil. It has 2 standard GGU MK06 Velux windows. WHAT IS THE CORRECT FLASHING ??? Or Correct flashing method?? My carpenter has built the kerbs ready, to which the Sarnafil fitters have covered right over the top I'm tired of going between Velux...
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