lintel

Hi, I'm working on a single storey extension which has a 3600mm bifold door to be fitted in a 100mm cavity wall. The weight on the lintel will be: 1 course block (up to wall plate) 50mm x 150mm joists boarded and felted. The one side of joists will be on hangers fixed to the original build...

Hi all, I have a single skin brick shed at the bottom of the garden that I want to renovate and convert to a office, I want to replace the existing wooden door and windows (if you can call them that) but I'm not sure how to go about it, the lintel is in two pieces and I'm not sure if it will...

Hi all! On to another project in our home. I have picked up some lime mortar and was planning to chisel out the old mortar on the arch (about an inch), then repoint to strengthen. As well as fill In the holes where bricks have been chipped. My question is. Do you think this arch would be...

Hi All, Has anyone cut new doorways into load bearing Flemish Bond walls? Im cutting a new doorway into the side wall of my end-of-terrace property for basement access (Pending Building Regs approval), and while I'm familiar with acros and strongboys I haven't done anything in this style of...

Hi Guys, i have a small lean-to outbuilding that currently has a door and a window next to each other, i want to enlarge the opening and use it as a garage. this would mean removing a central block column that is helping to support the rafters. Im trying to ascertain what size of steel to...

Hi guys i need to prop the rafters on a small (4m x 4m) single story outbuilding in order to enlarge the door opening and subsequently place a larger lintel. can anyone advise me how to best get round the issue of safely supporting the sloped rafters when he top of the prop is obviously flat...

Hi all, long time guest user but first post here. We are currently having a single storey extension built. There are various private and public sewers that run under the extension with a man hole having been removed. The next obstacle is bridging this pipework for the foundations, because of...

I need to replace a pair of lintels holding up an old stone/rubble wall above a doorway in a ~1890 (?) house. The lintels are timber and have spent many years encased in cement tanking (inside and out) and have become very damp. You can visibly see signs of wet rot; the timber you can touch is...

Hi all, I have recently completed a doorway widening project with a Catnic box lintel: It has lots of pre-drilled 5mm holes, presumably for fixing stuff to: What is the best way to attach plasterboard/fireboard to box it in? Should I use fixings? What fixings should I use? They would...

Hi all, I’m planning a change to the kitchen in my Victorian terrace, knocking through into the old single storey extension/bathroom at the rear. I’m looking to install bi-folds in the rear wall. The wall is only 2500 x 2200 and currently houses a window 1200 x 900. The budget is tight, so...

After a bit of advice. We've had 4 builders round to quote on the following work and only one has got back to us with a price of 3k. I was expecting 1.5 to 2k based on my estimates of materials and time: - use electrician to move internal double socket 400mm to side (£150?) - divert single...

Hello there. I need to remove and replace two lintols above upstairs windows and was wondering if this could be done from inside, rather than using a scaffold. With access outside using ladders only to remove bricks and replace them afterwards. Presumably Ill need to prop the ceiling...

Hi there. new to the forum and finding it really useful, so thanks in advance to anyone that reads this and replies. firstky, I have no previous experience of installing these lintels! I just wanted to check if a minor amount of deformation in a catnic lintel is to be expected, or whether...

I have a 3.6 m x 3.6 m single storey outbuilding, and am planning on installing 2 x 2.5M sliding patio doors in the north and east walls. The wall construction is cavity wall (brick outer, aircrete block inner. The aircreate block skin has a single course of bricks on it at the very top. [I'm...

Afternoon guys, I am opening up an old chimney breast that was blocked up years ago. The reason is twofold - ventilation (it wasnt vented!) And decoration. The new opening will be 400mm wide x 600mm high which is smaller than the original so I'm only knocking out 'infill bricks' and not any of...

Hi, I hope the pictures have attached themselves so you can have a look. Starting to sort my garden out in my new house. Needs levelling and raised retaining beds installed. The channels you can see in pictures is me sorting out the levels (excavating the ground next week with just me, a...

We're looking to open up a cupboard space in the kitchen. Made up for 4 brick walls, which used to house the original heating system. Concrete pad sitting on top of the brickwork below ceiling level. (Just above the vent for reference) Chimney sits on the concrete and continues through rest...

Afternoon all, I'm looking for some advice on how to increase the side of my fireplace. However looking up my chimney the stack takes a 45 ish angle towards the right. How would I go about raising the height of my fireplace opening? As I see it I'd be able to raise the front of the fireplace...

Hi, We have a 1970s bungalow, the gable end seems to have an issue with the original steel window lintels having rusted. One window has a gap in the pointing of about 12mm where the bricks have raised all the way along. The other window has a door as well so a bigger span, gap in pointing at...

Hi, couldnt find the answer to this anywhere...please dont answer 'structural engineer' since i can work that one out myself but before i get to (do that i want to know if its even feasible for my planning and hope someone can help since ive been scoring the internet for an hour and i find...