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How to Fill Gaps in Floorboards

DraughtEx is the perfect way to fill floorboard gaps. Its unique design and the application tool ensure that your floor gaps can be sealed without causing damage to the floorboards. DraughtEx should be applied in between floorboards after they have been treated or painted. It can also be used for filling gaps in floorboards before carpeting.

Filling Floorboard Gaps with DraughtEx

Step 1 - Preparation

Before filling floorboard gaps with DraughtEx you need to ensure that the gaps between the floorboards are clean and free from debris which can be removed using an appropriate tool such as an old credit card or a screwdriver.

When removing dirt and debris from between the floorboards, care should be taken to avoid damaging any live electrical wiring or pipework that may be hidden under the floorboards.

Cleaning the floorboard gaps using a screwdriver

Step 2 - Starting the Application

Using an old credit card (it is helpful to cut this into a rounded triangular shape which makes it easier to tuck the ends under the skirting board), a blunt knife, a screwdriver or another appropriate tool push DraughtEx into the floorboard gap next to the skirting board.

The first 1-2 inches of the application should be completed using this method to ensure DraughtEx is firmly in place before continuing with the application.

A hand using an old credit to insert the first 1-2 inches of DraughtEx

Step 3 - Using the Applicator

After you have fitted DraughtEx into the first 1-2 inches of the floorboard gap, make sure the end is firmly in place and then gently stretch the DraughtEx forward along the gap. Using the applicator supplied with your order, carefully push the sealant into the remainder of the gap.

Narrow gaps and gaps with varying widths can still be sealed by simply stretching and compressing the DraughtEx sealant as required.

A hand using the applicator to insert DraughtEx into the gap

Step 4 - Cutting to Size

After you have fitted DraughtEx to within 1-2 inches of the opposing skirting board, measure the final length of the floorboard gap and trim the sealant to size leaving approx. one inch surplus length.

This is done to ensure a good fit during the final stage of installation and to prevent gaps being created at a later stage. DraughtEx can easily be cut to size with a pair of household scissors.

DraughtEx floor gap fixer being cut to size with household scissors

Step 5 - Finishing the Application

Once DraughtEx has been trimmed to size, an old credit card (it is helpful to cut this into a rounded triangular shape which makes it easier to tuck the ends under the skirting board), a blunt knife, a screwdriver or another appropriate tool to push sealant into the floorboard gap for the last 1-2 inches.

This will ensure a snug fit and create an effective seal between DraughtEx and the skirting board. This method should be applied to each floorboard gap.

A hand using an old credit to insert the final 1-2 inches of DraughtEx floor gap fixer

Safety Tip - Avoid Injury Risks

The DraughtEx application tool is extremely effective for installing the floorboard sealant due to its slimline fitting wheel and ergonomic design.

It is however important to remember that edge of the fitting wheel can be sharp and to maintain a safe distance between the applicator and your leading hand to eliminate the risk of injury. The applicator shouldn't be used as a toy and should be stored in a safe place away from children.

A hand not maintaining a safe distance from the applicator

Important: When installing DraughtEx floor gap fixer in rooms with open fires or a gas fire, please ensure that a sufficient flow of air to the fire remains. Without sufficient air flow there is a risk of carbon monoxide poisoning. You can increase air flow to the fire without cooling down the room by installing shuttable air inlets in the floor directly next to the fire.

DraughtEx Installation Video

Our DraughtEx installation video will guide you through the quick and simple fitting process. It can be easily fitted by anyone with limited DIY experience and requires no adhesive or specialist skills.

Draughtex is protected by Intellectual Property Right with Patent Application numbers: 1004358.6 and 1110329.8

Our Customers Love DraughtEx

4.7 / 5 Stars

Read reviews from 1218 customers who've installed DraughtEx to eliminate draughty floorboards and make their homes warmer.

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Thin (10m Roll)

Suitable for < 3mm gaps
More than 20 in stock Expected dispatch: 22nd Apr

£9.49 inc VAT

£7.91 ex VAT

Thin (40m Roll)

Suitable for < 3mm gaps
More than 20 in stock Expected dispatch: 22nd Apr

£26.99 inc VAT

£22.49 ex VAT

Standard (40m Roll)

Suitable for 2 - 7mm gaps
More than 20 in stock Expected dispatch: 22nd Apr

£28.99 inc VAT

£24.16 ex VAT

Thick (10m Roll)

Suitable for 6 - 11mm gaps
More than 20 in stock Expected dispatch: 22nd Apr

£26.99 inc VAT

£22.49 ex VAT

Sample Pack

What is in a sample pack?
More than 20 in stock Expected dispatch: 22nd Apr

£5.99 inc VAT

£4.99 ex VAT

Additional Applicator

Do I need another applicator?
More than 20 in stock Expected dispatch: 22nd Apr

£2.29 inc VAT

£1.91 ex VAT

How many rolls of DraughtEx will I need for my floor?
Sub Total:

£0.00 inc VAT

£0.00 ex VAT

FREE Standard Delivery

All UK orders are shipped FREE of charge and delivered in 2-3 working days by Evri as standard.

Please Note: Deliveries to islands and remote locations can take an additional 1-2 days to be delivered.

Next Working Day Delivery

Orders can be upgraded to next working day delivery for
£4.50 inc VAT and will be delivered by Evri.

Please Note: Deliveries to islands and remote locations can take an additional 1-2 days to be delivered.

Image Gallery

An excellent collection of images showing gaps in floors that have been sealed using DraughtEx floor and skirting board gap filler.

DraughtEx being fitted in a gap between two floorboards Floorboard gap filler being used for both floor and skirting board gaps Floor after fitting DraughtEx Floorboard gaps filled with DraughtEx Using the DraughtEx applicator to seal gaps in floor Different sizes of DraughtEx placed next to a ruler and coin for comparison Floor gaps filled with DraughtEx Close up of how DraughtEx seals gaps between floor boards White painted floor with DraughtEx sealing gaps Using the DraughtEx applicator to install the gap filler Grey painted floorboards insulated with DraughtEx
See Full Image Gallery

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