IKO Hyload DPC in 100mm width, suitable for damp proofing brick, stone and concrete walls in domestic construction. Works in solid and cavity walls, stays supple in cold weather, and cuts cleanly without fuss.
The IKO 100mm Hyload DPC is a well-established damp proof course membrane used across domestic housebuilding for exactly the reasons you’d hope: it does the job reliably, handles cold site conditions without going stiff, and doesn’t cost a fortune. If you’re working with brick, stone or concrete walls and need a DPC that performs as standard, this is the one most builders reach for without a second thought.
Each roll is 100mm wide and 20 metres long, which suits standard half-brick wall construction and gives you a useful run before you need to splice. The material itself remains supple even in temperatures below freezing, which matters more than people give it credit for. Traditional DPC materials can stiffen up and crack in cold weather, making cutting a pain and installation messier than it needs to be. Hyload stays workable, so you’re not fighting the material while also trying to keep mortar beds level.
Where IKO Hyload DPC Gets Used on Site
This is primarily a domestic product, suitable for buildings up to three storeys. It’s used at the base of walls to prevent ground moisture rising into the structure, and it can also be formed into a cavity tray where needed. The fact it handles both solid and cavity wall construction makes it adaptable across the kind of mixed projects most builders deal with week to week.
Cavity Tray Applications
When used as a cavity tray, Hyload can be formed to shape without cracking or tearing at the folds. It’s not a specialist cavity tray product, but for straightforward domestic applications it’s a practical and cost-effective solution that meets requirements without overcomplicating things.
The 100mm IKO Hyload DPC width is the go-to size for standard brick construction. It’s worth having a roll on site even if the DPC course is only a small part of the job — you’ll use it. Cut it with a Stanley knife, bed it in mortar, and move on. No special tools, no primers required for basic installation.
Pro Tip: When lapping joints, aim for a minimum 100mm overlap and stagger laps away from corners where possible, as corner joints are the most common entry point for moisture if the DPC is not dressed correctly.
IKO Hyload DPC is used in new-build and renovation work wherever a horizontal damp proof course is required in masonry construction. That covers the base of external walls, internal leaf of cavity walls, sleeper walls, and party wall situations. It is also used as a simple cavity tray in straightforward domestic builds where a formed lead or purpose-made tray is not specified.
It is suited to brick, stone and concrete block construction across houses, bungalows, extensions and outbuildings up to three storeys. Most groundworkers and bricklayers keep a roll to hand as standard.
Best For
Horizontal DPC in brick and block walls
Solid wall construction
Cavity wall construction
Simple cavity tray applications
Domestic buildings up to three storeys
Extensions and outbuildings
Compatible Surfaces
Brick
Stone
Concrete block
Mortar beds
Key Properties
Remains supple below freezing
Easy to cut with a knife
Suitable for solid and cavity walls
Cost-effective for domestic housebuilding
100mm x 20m per roll
No special primers required for standard installation
Not suitable for: Not intended for use in commercial or industrial buildings above three storeys. Not a substitute for a purpose-formed cavity tray system in complex or high-exposure situations where building regulations specify a specialist product.
Roll out the Hyload DPC onto a freshly laid mortar bed, keeping it flat and free from creases. Press it gently into the mortar so it beds evenly across the full width of the wall. Lap joints by at least 100mm and apply mortar over the top before laying the next course of masonry.
Cut the material with a sharp Stanley knife on a flat surface. It cuts cleanly without tearing. In cold weather, the material stays workable, but storing rolls somewhere frost-free overnight makes handling slightly easier if temperatures are particularly low.
Lay a full mortar bed across the wall to the correct width before positioning the DPC
Unroll the Hyload DPC along the mortar bed, keeping it centred and flat
Press the DPC gently into the mortar to ensure even contact across the full wall width
At joints, overlap by a minimum of 100mm with the upper layer facing the direction of any water flow
Cut the DPC to length using a sharp knife on a flat surface
Apply mortar over the DPC before laying the next masonry course
Can IKO Hyload DPC be used as a cavity tray?
Yes, it can be formed into a simple cavity tray for standard domestic applications. It folds without cracking and holds its shape reasonably well. For complex or high-exposure details, a purpose-designed cavity tray system would be more appropriate.
Does Hyload DPC need a primer or adhesive to bond to the mortar bed?
No primer is needed for a standard horizontal DPC installation. The material is simply laid onto a fresh mortar bed and the next course of masonry is laid directly over it. Adhesive is only relevant if you are using it in a vertical application or joining to a different membrane type.
Is this suitable for a cavity wall extension in cold weather?
Yes, this is one of the practical advantages of Hyload over older bitumen felt products. It remains supple and easy to work with at sub-zero temperatures, so you are not dealing with stiff, cracking material when the site gets cold.
IKO Hyload DPC is a pitch polymer damp proof course membrane manufactured to BS 6515 standards. It combines flexibility with dimensional stability, remaining supple across a wide temperature range including conditions below freezing. The material is resistant to ground salts and alkalis, which is relevant in masonry construction where contact with cement and mortar is unavoidable. It does not rot and is not affected by normal ground movement in low-rise domestic construction.
Width
100mm
Roll Length
20m
Standard
BS 6515
Application
Horizontal DPC, cavity tray
Suitable Building Height
Up to three storeys
Wall Types
Solid and cavity masonry
SKU
HYLOAD-100mm
Size
100mm x 20m
Box Quantity
1
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