can decking be laid above damp course

How to Plan Decking for the Garden — Armstrong Supplies

Can I put decking above damp course? If your decking is going to be an extension of your property, and will be attached to an outside wall, it should be designed so that the top of the deck is at least 15cm below the damp course. When the decking is put in, the installers shouldn’t attach the decking directly to your property.【Get Price】

Can I go above the damp course with decking? | Yahoo Answers

This depends on the floor structure. If its a concrete floor then the DPC will be level with the finished floor level, this is because a damp proof membrane is layed under the concrete floor structure and is lapped into the dpc making a fully water proof barrier.【Get Price】

Can You Put Decking Above the Damp Proof Course - DPC .

Putting decking above damp proof course in not recommended, especially if the intention is to extend a property with a deck. The deck should be designed to be not less than 15cm below the actual damp course. After attaching the deck, the installers shouldn't directly attach the deck to the property.【Get Price】


the damp course level. Use a Richard Burbidge 150 x 47mm joist as a . a ground level deck can be laid onto . decks elevated up to 600mm above ground. For high .【Get Price】

Planning & Building Regulations for Outdoor Decks

Where the deck platform is more than 300mm (~1 ft) from the ground; Where together with other extensions, outbuildings etc, the outdoor decks or platforms cover more than 50 per cent of the garden area; In addition to the situations set out above, other restrictions have been known to apply:-Where the deck is situated within 20 metres of a highway.【Get Price】

How can I lay decking over an existing patio and above the .

How can I lay decking over an existing patio and above the damp course level? We would like to cover an existing patio with decking, but the patio tiles are only just the recommended level under the damp prove course.【Get Price】

How to Lay Decking: B&M's Step-By-Step Guide

B&M Top Tip: If your decking will be against an external house wall, plan to build it so it lies at least 150mm below the damp proof course and that no grates or vents are obstructed. Carefully cut the decking joists to size to create a square frame, and lay it out with the joists sitting lengthways on their narrowest faces.【Get Price】

How to plan and lay decking with deck boards | Homebase

Make sure the top level of a deck attached to your house wall is at least 150mm below the damp proof course (DPC). That way you'll be complying with Building Regulations. Allow for access hatches or cut-outs in the deck around drain inspection covers and make sure you don't block any air bricks.【Get Price】

Decking basics | Decking - Ultimate Handyman

In reality this is often ignored, but the level of the deck must never be higher than the damp proof course. The decking structure should not be fastened directly to the fabric of the house, there should be at least a 10mm gap between the structure and the house. This can be achieved by using several stainless steel washers.【Get Price】

Installing Decking above the Damp Course - www .

Building a deck above the dpc might cause you problems in the future and that is why it is recommended that you build the deck below the DPC and not above it. Building the deck above or level with the dpc means that rain water can splash up and give you damp problems in the future. Do people ever build a deck above the DPC?【Get Price】

Decking above damp proof course | DIYnot Forums

Yes it is ok to place a ledger board above DPC providing you leave a 10 to 12 mm gap, this can be done by either using a load of stainless steel washers to the right thickness on each bolt or I somtimes use a piece of copper pipe with 2 stainless steel washers at either end to make up the correct gap. Woodster66, 16 Jul 2008 #4【Get Price】

How Much Does Garden Decking Cost in 2021? | Checkatrade

The deck should sit at least 150mm below the damp proof course, and the decking boards should never actually touch the external walls of the house. The supporting frame itself is obviously crucial – well supported and built to ensure dimensional stability.【Get Price】

can you fit decking above a damp course? | Yahoo Answers

This depends on the floor structure. If its a concrete floor then the DPC will be level with the finished floor level, this is because a damp proof membrane is layed under the concrete floor.【Get Price】

Decking off the house and damp course - MyBuilder

Decking off the house and damp course Hi all, I am currently in the process of building a pergola off the house and then plan to do decking flush to the back doors but someone has mentioned about it needing to be lower than the damp course.【Get Price】

what height decking & DPC - Page 1 - Homes, Gardens and DIY .

Can decks be installed above the damp proof course (dpc) of my home level with a door? The dpc exists to prevent dampness rising into a dwelling and should never be compromised or bridged.【Get Price】

Leveling the Deck | | by

Because most deck frames are not perfectly level, you may need to make some adjustments to create the appearance of an even deck surface. Because the size of joists can vary from board-to-board, you may want to install wood shims to raise the position of decking over low joists.【Get Price】

Damp Proof Course (DPC) -Methods of DPC Installation

Contents:What is DPC?Materials for Damp Proof Course (DPC)Properties of Materials for DPCTypes of Materials for Damp Proof CourseSelection of Materials for Damp Proof Course in Buildings1. DPC above ground level2. DPC Material for floors, roofs etc.3. DPC Material for situations where differential thermal movements occur4. DPC material for Cavity WallsMethods of Damp Proof Course Installation【Get Price】

Damp proof course for high laid pavers? - Renovate Forum

I should point out my pavers are 80mm thick so the soil, now road base, won't be much above the original height, this will also only be in the carport area which is dry. On exiting the carport they will be graded down. My house was built prior to damp course but I thought it wouldn't hurt putting something between the pavers and foundation.【Get Price】

Installing Decking above the Damp Course - .

The problem is that the study is a converted garage so the damp course is approx 10 inchs lower than the dpc of the main house (see pics). The decking attached to the house will be fine; the walkthroughs on this site give me a good breakdown of how to do this; but my concern is the area around the study.【Get Price】

40 decking ideas – covered, with lights and more ways to .

A deck at ground level is the simplest to construct. It could be located beside the house or elsewhere in the garden. A deck by the house needs to be 150mm below the damp-proof course and should not obstruct air bricks. A raised deck can create level areas within a sloping garden or simply be a more dominant feature within the garden. It’s a .【Get Price】

Inspecting a Deck, Illustrated - InterNACHI®

Decks greater than 6 feet above grade that do not have diagonal decking should have diagonal bracing across the bottoms of the joists to keep the deck square. A deck that is not held square could permit the outer posts to lean to the right or left, parallel to the ledger board, and thus twist the ledger away from the home or building.【Get Price】

Decking + Damp Issue inside | DIYnot Forums

This is a raised decking that is 6+ feet above the garden and is 2 ft above the original stone patio below it. (there is another decking level and further steps not shown in the picture) Pictures (note, it had rained as I was taking the deck up).【Get Price】

Fixing a Deck to a House Wall - Project part. | gardenseeker .

Make sure that you are aware of the Damp proofing course and aim to have your deck at the recommended height ‘below’ the DPC – unless it is considerably above that level as in a semi-balcony situation. There is no hard and fast rule as to how to go about this task.【Get Price】

Building simple, low level garden decking - Practical DIY

When all the slabs/bricks have been laid and the mortar has hardened, cover the membrane with clean gravel to just below the level of the top of the bricks or slabs. Cut out pieces of damp proof course material (dpc) to cover the top of each brick. Place a piece of dpc on each brick and put the joists in place on top of the pieces of dpc.【Get Price】

laying decking on top of existing patio? | Screwfix Community .

Apparently, as long as the walls will dry out given a normal reasonable period of dry weather it's ok. And, if you are fitting close to the wall, you should make provision for the water that runs down the wall to get away and dry up. Otherwise you will have a permanently wet area against the wall (albeit below the damp course)【Get Price】

Decking/garden height compared to damp proof course | DIY .

Nothing in your garden, including decking, which is up against the house, should be any higher than 150mm BELOW the damp proof course. The damp proof course is there to stop water soaking up the bricks and getting into your house, if you place things against the wall which will allow the rain to splash against the wall above the dpc it can soon soak the wall and lead to damp indoors.【Get Price】

Product Details