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The gun grade Soudabond does not have its own stopper (this one: https://www.toolstation.com/soudal-soudabond-easy-adhesive-foam-gun-grade/p37023) can I stick gaffa tape on the end after gluing a test 1m2 test piece of kingspan to the garage door? This saves me having to buy two lots as it will...

Is the soudal adhesive foam reusable if I put some gaffa tape over the end after gluing a test piece of insulation to the garage wall interior?

Would this Screwfix 'Soudal Adhesive Foam Hand-Held 750ml' work? It says it can be used externally. The glue/adhesive needs to be able to withstand condensation (that may form on the inside of the door) I have 3/4 of a can of 'EVO-STIK Sticks Like Sh*t Adhesive, All Weather adhesive' (says it...

Typo

I would like to insulate a bifurcated garage swing up (up and over) door. I have breathable roofing membrane, mineral wool, bits of 150mm kingspan block insulation and various glues. Could I use very small screws to attach the breathable roofing membrane to the inside of the garage door, pin...

Insulation is on the inside. The paint is going onto interior plywood/interior pine. No insulation on the outside (yet!)

I have just finished insulating the inside of a standard wooden shed and although the temperature does not get that cold I really need to paint the inside of the shed. The temperature inside the shed still varies too much from 1 degrees C to about 14 degrees C in Winter The paint needs to be...

Nope. The boiler manual backs what I have said. Here is a list of the two components I need to make a 22mm x 22mm x 15mm drain valve on the hot water outlet about 0.5m from the boiler. I would put 22mm pipe clips either side of this valve 1. 22mm x 22mm x 15mm tee...

The same display is used for bot hot water and for radiator temperature, the readings switch between both. So if you turn up the radiator temp by 1 setting the display will show rad temp then if you immediately change the hot water temp the display will show hot water temp.

The boiler has 2 separate controls for heating radiator and heating hot water. Not confusing anything.

The boiler has 2 displays one for hot water (tap) temperature the other for radiator temperature. The outlet temperature on both can be adjusted separately. The insulation under the bathtub has no effect on the bath tap exit temperature however more insulation under the bathtub will retain...

Said bathroom has no underfloor insulation and has a cold floor. Whilst I agree the exit hot water tap temperature won't change from insulating under the floor, the bathtub's heat will last longer with more insulation

So a 15/22mm in line pressure gauge? What make/manufacturer do you recommend?

Ok. What sort of drain valve is best to install on 15mm hot/cold water pipe?

Literally shove insulation under the bathtub leaving no gap? I have spare roofing breathable membrane which I think I should envelop the rockwool that I would shove under the bathtub to allow me to easily get the insulation out if needed

Yes the insulation needs to be in in contact with the underside of the bathtub. Rockwool is fine I can use insulation netting to retain heat. Have you used rockwool on the underside of bathtubs to retain heat?

How does underfloor insulation not improve heat retention in the hot water of the above floor bathtub? The whole point of insulation is to keep heat in. And there is a 0.5m2 hole under the bathtub because of poor installation which suck heat out of air below the metal bathtub. The boiler hot...

The analogue pressure gauge on the boiler itself which only displays the radiator flow/return pressure. Don't know if static or dynamic. Probably static. I said previously that I turn down the hot water outlet temperature to a setting of 4/7 (boiler outlet temperature about 65oC) because of...

The lowest point available for a 15mm drain valve is in the garage which is below the property. The boiler is in the garage sat on concrete floor. When the boiler is turned off, as the outlet water pressure is between 1.5 to 2.5 bar when the boiler is off, I think the pressure should be 1.5-2.5...

Why? Because 1) there is a long stretch of about 15m from front to back, 2) I think there is a pressure loss and the original hot water pipe is 15mm copper which, despite lagging, still delivers a lukewarm bath and 3) There are more properties being build nearby which is straining an already...