Can Decking Be Above Dpc?

If you’re planning on adding decking to your home, you may be wondering if it can be placed above the damp proof course (DPC). While it is possible to install decking above the DPC, there are a few things to keep in mind, such as the height of the decking and the materials used. With this information in mind, you can make an informed decision about whether or not to install decking above the DPC.

What Is a Damp Proof Course DPC?

A damp-proof course is a horizontal layer of material installed in masonry walling to prevent the passage of moisture. Damp-proof courses are installed at or just above ground level in most external walls, to prevent moisture from rising up into the structure by capillary action.

Moisture is the leading cause of structural damage in buildings, accounting for around a third of all building failures. A damp-proof course helps to protect your building by preventing water from entering the wall and causing a leak.

If you’re in the market for a new home, make sure to include a damp-proof course in your home search. A damp-proof course not only provides additional protection against moisture infiltration, but it can also save you a lot of money in the long run.

Can Decking Be Above DPC?

When installing decking, it is important to make sure that it is always beneath the damp proof course (DPC). The top of the deck must stay 150mm below the DPC in order to avoid any issues. If the decking is above the DPC, it could lead to problems with damp and moisture, which could damage the decking and the property.

If you are planning on installing decking above your DPC, make sure to consult with a professional to get advice on the best way to go about it. When installing decking, it is important to make sure that it is always beneath the damp proof course (DPC). The top of the deck must stay 150mm below the DPC in order to avoid any issues.

What’s the Difference Between DPC and DPM?

Damp proof courses (DPC) and damp proof membranes (DPM) are waterproof barriers that are installed in buildings to prevent moisture penetration. DPCs are placed between the inner and outer leaf of a wall to prevent dampness from rising up through the wall. DPMs are placed beneath the floor slab to prevent moisture from rising up through the floor.

Damp proof courses (DPC) and damp proof membranes (DPM) are waterproof barriers that are installed in buildings to prevent moisture penetration. DPCs are placed between the inner and outer leaf of a wall to prevent dampness from rising up through the wall. DPMs are placed beneath the floor slab to prevent moisture from rising up through the floor.

Can decking be above DPC? The answer is yes, but it is not recommended. Decking that is installed above the DPC will be exposed to the elements and is more likely to suffer from moisture damage. Decking that is installed below the DPC is better protected from the elements and is less likely to suffer from moisture damage.

Damp proof courses and damp proof membranes are important parts of any building and should be given due consideration when planning a build. However, it is important to remember that they are not foolproof and should be should be complemented with good building design and maintenance.

Conclusion

In conclusion, when installing decking, it is important to make sure that it is always beneath the damp proof course (DPC). The top of the deck must stay 150mm below the DPC in order to avoid any issues. If the decking is above the DPC, it could lead to problems with damp and moisture, which could damage the decking and the property.

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