cavity closer

Hi all, expertise needed! In the hunt for causes of heat loss, I've just discovered something odd. Our 2007 brick-cavity house has two 9x9" exterior air bricks which have square, terracotta ducting going through both wall 'skins' and butt up roughly to the INTERIOR plasterboard wall. Inside...

I know this has been posted many times before and I have spent time looking at those threads. I'd just like confirmation from those more knowledgeable that what I'm about to do is correct. The builder has left me a shell of a garage and what will be a utility room on the back. The floor levels...

hi there, I am looking for some advice regarding my home project. We have had the wall below a window removed to make way for a back door which is being fitted at the end of the month. As you can see from the photos there is an existing dpc on the external leaf. The internal wall was brick...

hi there, I am looking for some advice regarding my home project. We have had the wall below a window removed to make way for a back door which is being fitted at the end of the month. As you can see from the photos there is an existing dpc on the external leaf. The internal wall was brick...

hi there, I am looking for some advice regarding my home project. We have had the wall below a window removed to make way for a back door which is being fitted at the end of the month. As you can see from the photos there is an existing dpc on the external leaf. The internal wall was brick...

Hi all, i'm self building a porch and have got to the DPC.. building control are happy so far. I've got a dpm lapping over the inner block work and about to put the dpc and first course of blocks on.. couple of questions Doorway - Do i return the block work to 'meet' the outer leaf brick and...

I am currently renovating my kitchen and am looking for some advice in how to screed over a cavity. A section of the old screed layer has broken up around the edge of the patio door threshold. At the moment, there is a dpm under the patio door overlapping the cavity and meeting the main dpc...

Does anybody have a diagram or drawing showing how the lower corner of a window sill is constructed, and how the DPC and cavity closers join/overlap to form a waterproof joint? I have recessed windows (i.e. they sit in the middle of the wall), and will be making a sub-sill from creasing tiles...

Evening All. I have a 1950's house - standard brick cavity wall. My window frames are fixed in the middle of the wall - i.e. they appear to be screwed into the gap where the cavity is, rather than in either the inner or outer brick leaf. I am about to build an extension, and would like the...

First of all thanks everyone for helping with my self build, so much appreciated. Next stage complete the parapet wall design,roof timbers on for warm roof.My plan is to complete the top of the parapet wall either side,them fix the roof down. Need to keep the parapet wall to minimum height...

Hi, I would like a view on how best to close the cavities around window and door openings. The wall is 7N blockwork on the internal leaf and rough stone on the outer, which results in a very undulating cavity size. I have 80mm tongue and groove insulation in a 150mm cavity. The stone is at...

So I’m doing a loft conversion and extension on my 2 bed bungalow, the building regs notes asks for “fire resistant cavity barriers to be installed at tops of wall and gable end walls” anyone know what these look like? And can provide me with a link to the ones I need? It’s a full fill cavity...