Masons 40 Below Flex 150mm x 20m White Self-Adhesive Flashing Tape Water Resistant

★★★★
101 reviews · 484+ sold
$131.11 $196.67 -33% OFF
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Description & Specs

Masons 40 Below Flex flashing tape is a 150mm x 20m self-adhesive flashing tape used to seal around windows, doors and joinery openings, providing a secondary line of water defence. Its aggressively sticky surface makes application straightforward across a range of construction and repair tasks.

  • Range: Masons 40 Below Flex flashing tape
  • Width: 150mm
  • Length: 20m
  • Type: Self-adhesive flashing tape
  • Facer: White, high water resistance
  • Finish: Nail and screw sealable in a single layer

Use it to seal window and door openings, around joinery and on general construction and repair jobs that call for a water-resistant flashing tape. Its white facer offers high water resistance, and the tape is designed to be nail and screw sealable with a single layer.

More about this product

Masons 40 Below Flex is a self-adhesive flashing tape measuring 150mm x 20m, designed for sealing around windows, doors and joinery openings to provide secondary water defence. This product features an aggressively sticky surface that allows for easy application, making it suitable for various construction and repair tasks. The tape is designed to be nail and screw sealable with just one layer, ensuring a robust seal. Its white facer offers high water resistance and provides UV protection for up to 270 days.

Questions & Answers

What size is Masons 40 Below Flex tape?

It measures 150mm wide by 20m long.

Where is it used?

It seals around windows, doors and joinery openings to provide a secondary water defence on construction and repair jobs.

Is it self-adhesive?

Yes, it has an aggressively sticky self-adhesive surface for easy application.

Can it be nailed or screwed through?

Yes, it is designed to be nail and screw sealable with a single layer.

What colour is the facer?

The facer is white and offers high water resistance.

Shipping & Returns

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 96 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
O
Oliver H. 📍 Rockhampton QLD
2 months ago
✓ Verified Purchase

Arrived well packed

The Masons 40 is a solid buy. I was a bit unsure about the size from the photos but it is perfect in person. Delivery was faster than expected. Very satisfied with this purchase.

N
Natalie F. 📍 Launceston TAS
3 months ago
✓ Verified Purchase

Better than expected

No issues at all. Fast delivery and exactly as described.

C
Chris N. 📍 Mackay QLD
3 months ago
✓ Verified Purchase

Great value for money

Spent a while looking for the right Masons 40 and this kept coming up as the best value. I can see why — quality is impressive for the price. Delivery took just 2 days to Townsville which is great. Packaging was solid and everything intact. My partner and I both use it daily now. Highly recommended.

R
Rebecca J. 📍 Albury NSW
3 months ago
✓ Verified Purchase

One of my best online buys

Quality product at a fair price. Delivered quickly. Happy.

M
Matt D. 📍 Bunbury WA
3 months ago
✓ Verified Purchase

Happy with SuperSaver AU

Have bought Masons before and always been happy. Great price on SuperSaver AU and delivery was fast. Arrived perfectly packaged. Works flawlessly from day one.

Z
Zoe C. 📍 Bendigo VIC
4 months ago
✓ Verified Purchase

Fast delivery and perfect condition

Fast delivery and exactly what I ordered. Very happy with this.