Various options exists for making an upper level deck waterproof so you have dry area underneath. This article discusses the main popular features of each option.

Various options exists for making an upper level deck waterproof so you have dry area underneath. This article discusses the main popular features of each option.


A very common problem faced by many homeowners having a second level deck is how to effectively waterproof when in order to obtain a dry storage area underneath. There are several alternatives that might be considered, although the tastes these aren't exactly DIY tasks, but have to be undertaken by professional contractors.

Roll out vinyl membranes

Probably the most common anxiety of waterproofing an upper level deck, is usually to lie down some type of waterproof membrane on the existing surface. Possibly the longest established membrane system may be reveal vinyl sheeting that might typically have a core of the durable polyester fabric to offer protection against puncture and tearing. Such products are offered by Duradek, Weatherdek , DeckRite, DecTec among others. These merchandise is normally installed by professional contractors, yet it's practical for an individual to put in the membrane themselves if they have some experience. Such products typically come with a patterned surface plus different colours and textures.

Of course using this type of membrane, you can't offer the original natural wood appearance of the deck.

Specialized deck coatings

A number of high-tech coating systems can be found which generally involve applying number of different coats and are thus normally applied by professional applicators. Examples of such coatings are the Versa-Deck array of reinforced fibreglass and acrylic resin coatings as well as the Metacrylics array of acrylic and polyester fabric coatings. Such coatings are again for sale in different colours. However these coatings can only be used more than a continuous solid surface including marine grade plywood, if you don't have patio decking having a plywood surface, then you've got the additional tariff of installing this surface too.

Aluminum decking

In this example, lengths of a special interlocking aluminum decking profile are installed on the top of the deck. Normally this type of decking would replace the main wood planks on the deck, so requires some extra cost and work to demolish part of the existing structure. Channels around the underside of the profile drain water away to the sting of occasions. Such products are available from e.g. Lock Dry. Various colour options can be obtained. One point to make note of with aluminum decking is that it can get very hot underfoot in mid-summer and can be somewhat noisier when walked on than e.g. you wood or vinyl.

Vinyl Decking

Similar in may approaches to the above aluminum products, specially profiled vinyl decking planks with the interlocking system like the Gorilla Deck range are available which are claimed to supply a virtually watertight surface underneath the decking. Again such a decking would normally replace the first wood planks on your own deck. Typically the vinyl material will come in a quantity of different colours and textured finish. Compared with aluminum, vinyl decking will stay relatively cool under foot even just in the greatest weather.

Under deck waterproofing systems

This is really a novel way of waterproofing patio decking but retaining the present natural wood surface. In this system including that given by UnderDeck, a particular ceiling” is installed underneath the deck connected to the bearers or joists which drains away any water to gutters situated on the corners of occasions. Again this method is generally installed by special contractors.

Interlocking wood decking tiles with EPDM membrane

As stated previously, generally from the commonly available types of waterproofing an upper level deck, while using exception in the UnderDeck system, providing have the ability to enjoy a natural wood surface in your deck. If waterproofing sutherland shire like the appearance of natural wood, then by far the most effective, simple to put in, and economical option would be to firstly lay out a nonstop EPDM sheet in the top of the existing wood deck, and then install interlocking wood decking tiles within the top with this sheet. EPDM sheeting can be purchased from e.g. pond supply shops or some roofing material suppliers as low as about $0.60 per square foot.

The wood decking tiles including those supplied by SwiftDeck (see ) are made with a special plastic mesh base which not simply allows the tiles to get locked together to form a nonstop deck surface, but allows water to circulate away freely under the wood slats and on the top from the EPDM membrane. So there isn't any difficulties with puddles of water or slippery surfaces like there may be with the alternative membrane options.

Many interlocking tile manufacturers supply tiles in different designs as well as different wood species, so that you can create an exclusive design on your deck which may be merely a simple border or an exclusive feature panel. Clip on edging strips are also which is available from selected manufacturers which give a neat and professional edge on the outer row of when. With these modular decking tiles, there aren't any nail holes or screw holes around the surface of the deck, because the wood slats are screwed securely for the plastic base from underneath. And as there are no nails, screws, glues or special coating materials required, installation is often a simple and quick job that can be accomplished by almost anyone without requiring any particular handyman skills. And with decking tiles, you don't have the expense of ripping up the original decking planks

, or needing to lie down a unique plywood surface to utilize any in the specialised coatings

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