I’d use “minimally expanding foam” rather than concrete or grout. Be sure to have plenty of ventilation and read the directions carefully… the stuff can make a helluva mess so cover/tarp/mask off anything you don’t want to foam to stick to.

What to use to fill gaps around pipes?

Quote from Youtube video: Over for interior areas finish the task by using poly cell one fill poly filler remove the lid and stir into a smooth paste.

How do you seal pipes around the floor?

Air Sealing Plumbing and Piping

  1. Use caulk or canned spray foam to seal piping holes through the top plates, bottom plates, and subfloor. …
  2. For larger holes in the top or bottom plate, use a rubber gasket. …
  3. Use caulk or canned spray foam to seal the holes made in rim joists for plumbing pipes.

How do you cover gaps between floor and wall?

Use silicone caulk to create a waterproof seal.

If you’re fixing a gap between a tile floor and wall, such as in a shower or a bathroom, go with a silicone caulk so you can create an airtight, waterproof seal. Look for silicone caulk at home improvement stores, hardware stores, and online.

How do you close openings around pipes?

You can fill holes around pipes under a kitchen sink (or any other sink in your home) by filling them with steel wool or copper wool and then sealing the patch with caulk, says the Centers for Disease Control and Prevention. For best results, use silicone caulk.

Can I use spray foam around water pipes?

Water supply lines can create a racket when in use. To prevent the problem, you can use a small amount of spray insulation foam between pipes and framing to keep the pipe in place and reduce noise.

Can you use expanding foam around plumbing pipes?

DO use expanding foam to silence noisy water pipes. Expanding foam isn’t just for stopping drafts and heat transfer—if you’ve purchased a can to seal some drafts and have a bit left over, it’s just the ticket for silencing noisy pipes and water hammer.

Where should you not use expanding foam?

When NOT to Use Spray Foam Insulation

  • For areas that are too close to electrical boxes:
  • For areas too close to ceiling light boxes:
  • Open-cell spray foam on your roof:
  • For closed-cavity spaces:
  • If you have a history of skin, respiratory, or asthma problems:

How do you seal a pipe through a wall?

Quote from the video:
Quote from Youtube video: Clean the surface of the concrete with the wire brush remove dirt efflorescence rust and flaking paint be sure to also brush the surface of the pipe for a strong adhesion of the poxy paste.

Is expanding foam waterproof?

Is there a waterproof expanding foam? Yes, some expanding foam is designed to be waterproof. Certain products are even made specifically for building ponds, fountains, and other outdoor water features.

How do you seal a pipe to keep mice out?

Fill small holes with steel wool. Put caulk around the steel wool to keep it in place. Use lath screen or lath metal, cement, hardware cloth, or metal sheeting to fix large holes. These materials can be found at your local hardware store.

How do you seal a pipe?

Quote from the video:
Quote from Youtube video: Clean it with medium grit sandpaper. Scrub it with a metal brush to remove possible traces of paint or rust decrease the pipe by rubbing it with the cloth soaked in methylated spirits.

How do you seal a pipe hole in a brick wall?

Use a combination of foam sealant and cement stucco to fill large gaps and voids. Fill larger voids with the foam sealant, then apply the cement to provide a natural finish to the surface surrounding the pipes.

How do you seal a soil pipe?

Quote from the video:
Quote from Youtube video: Take the joiner. Offer up nice and square. Hold it firmly just push it home by excite the joint push it in nice and smoothly. And that seal hasn't been dislodged in any white because of the champagne.

How far should a soil pipe be from the wall?

Generally, this distance tends to be around 300mm in a cavity wall, so take this measurement and add an extra 300mm onto this figure – this will allow the WC waste connector to be fitted.

Can you run a soil pipe under floorboards?

Soil pipes are generally located on an outside wall and enter the bathroom as close as possible to the toilet location. They can be mounted on the floor, but usually pipes run below the floor in-between the floor joists.

What is a Durgo valve?

Durgo valves, also known as AAV or air admittance valves, are valves that assist with rebalancing the pressure within a soil or waste pipe, returning this back to normal levels.

Where do you put a Durgo valve?

Location/Placement. Durgo Air Admittance Valves must be placed no lower than the highest exit point of any toilets, baths, basins or sinks in the home. They are usually placed in the loft space, in a cupboard or boxed in with plasterboard, although some form of ventilation is required.

What height does a Durgo valve have to be?


How high should you install the air admittance valve? The short answer is a minimum of 200mm above any water entry point. So if you imagine your soil pipe run, then durgo valve / AAV must be fitted above the highest connection to the soil pipe from any sink, bath or toilet that is connected to it.

Why do I need a Durgo valve?

Air admittance valves, also known as AAVs or durgo valves, are valves that help to re-balance the pressure within a soil pipe to normal levels.

How long do Durgo valves last?

Improper Installation Of The Valve

Air admittance valves are constructed to last you about 20 to 30 years.

Can I use a Durgo outside?

an external durgo may freeze therefore not allowed externally………. As far as I am aware totally correct, and if freezing might occur within a dwelling or roof space, the polystyrene should remain covering the air admittance valve. In my humble opinion, they fall far short of a vented soil pipe.