How to waterproof outside basement wall ?

I can answer your query about how to waterproof exterior basement walls. There are ample methods to do it; you can opt for interior sealants, do interior or exterior waterproofing, or opt for excavation and cleaning, apply a waterproofing membrane, seal cracks, install a drainage system, or add a drainage board. Let me tell you about all these processes in brief next.

How to Waterproof Basement Walls from Outside?

I can suggest several ways on how do you waterproof a basement from the outside. Here are they:

• Excavation and Cleaning: Dig around your basement to expose the walls and make sure to clean off dirt and old coatings. This will let you start with a fresh surface, making the next steps more useful.

• Apply Waterproofing Membrane: You can consider applying a waterproofing membrane like a bituminous or polymer-based sheet to create a strong barrier that keeps water out. 

• Seal Cracks: Fill all cracks or gaps with putty or cement. This will restrict the water from entering through small openings.

• Install Drainage System: Adding a drain or weeping tile at the foundation’s base allows direct water away from the walls and will waterproof the walls.

• Add a Drainage Board: You can place a drainage board against the wall to channel water away from the foundation and reduce pressure on your walls.

I will say you consult with a renovator before opting for any of these methods to figure out which process will be the best.

Hey,

I see you wish to know how to waterproof outside basement wall. A basement is a space that can be easily transformed into a bedroom, office, or video game parlour. I have converted my basement into a theatre room. It has a lot of expensive tech that I want to protect. You should use the pointers given below to seal the wall.

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You can use ready-made objects from the market to waterproof the space. I would recommend using Lithi-Tek 4500 primer, Siloxa-Tek 8510 (waterproofing sealer), and Vapour-Tek 440 (moisture vapour barrier coating) on your wall for the same.

How to waterproof exterior basement walls?

• You will need to dig out the dirt around the basement wall

• Clean the area for a clean workplace 

• Plug all the minor and major holes in the wall 

• Keep reading how to do waterproofing basement walls. 

• If you see any cracks, fill them with putty 

• Seal all the openings in the wall with a cinder block sealant.

• Install a designed dimple board to defect water from the outside. 

• Apply a waterproof coating on the wall to waterproof the exterior.

How to waterproof basement walls?

Just apply liquid adhesive like Polyguard 650 LT liquid waterproofing adhesive on the basement walls to create an impermeable barrier. 

You can even apply a coat of aluminium top layer to protect the wall from UV rays. 

This is all from my end on how to waterproof outside basement wall.

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