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Dektite® Flashings

Frequently Asked Questions

Q. Can Dektites be used on high temperature outlets like flues and chimneys?

A. The specially formulated EPDM Dektite can withstand constant temperatures at the roofline from -50˚C (-58˚F) to 115˚C (239˚F) and up to 150˚C (302˚F) intermittently without degradation. The silicone Dektite (red color) will withstand constant temperatures at the roofline of 200˚C (392˚F) and up to 250˚C (482˚F) intermittently.

Q. Are Dektites UV resistant?

A. Yes. Independent laboratory test show that the specially formulated EPDM and Silicone used in making Dektites will withstand UV degradation in the world’s harshest environments for periods longer than the twenty year warranty period.

Q. Can Dektites be used in bush fire areas?

A. Deks unique EPDM and Silicone formulations are highly resistant to ember attack and have been independently tested for flammability to standards such as ASTM D635, UL94, IEC 60695-11-10 and IAPMO 817. This extensive certification should act as reassurance that DEKS compounds do not ignite under ember attack or support the spread of flame. We do not recommend Dektites for use in “Fire Zone”.

Q. Is there a Dektite available for solar panel installations?

A. For both metal and tile roofs there is a Dektite flashing for your application. Go to our website www.sktradingbg.comor refer to the product catalogue.

Q. Can Dektites be used on a tiled or slate roof?

A. There are specially developed products for tile and slate roofs. However, you may use a standard Original or Premium Dektite in conjuction with our unique hybrid polymer sealant/adhesive Bostik Zbond V4. This option is especially suited for cable and solar installations. Note: Standard neutral cure roof and gutter silicone is not suitable for this purpose.

Q. Can Dektites be painted different colors?

A. Yes, EPDM Dektites can be painted after installation. Note: only paint after installation using 100% Acrylic Paint.

Q. Is there a Dektite product you can use to flash a square penetration through a roof?

A. Yes, you will need a Dektite Combo Squareflashing. It is specifically designed for both new installations and retrofit. Special clips are provided with each unit for retrofit applications. Suitable for square penetrations between 20mm (3/4”) and 125mm (5”).

For larger square penetrations, use Dekstrip or Perform. 

Q. What is the largest pipe diameter a Dektite can seal?

A. For larger pipes consider if the water flow on the roof is affected. This can be solved by using a Dektite Soaker which will flash up to 610mm (24”) pipes. Larger pipes can be flashed using the Dektite Combo range up to 750mm (29 ½”) maximum size. Larger or irregular sizes can be sealed using Dekstrip or Perform – no maximum size. Go to our website for details www.sktradingbg.com.

Q. Are Dektites able to be used in Cyclonic Areas?

A. Yes, but additional fittings are required.

Q. What is the life expectancy of a Dektite Flashing?

A. Accelerated ageing tests undertaken by independent laboratories confirm no significant degradation for at least 20 years. That’s why we provide 20-year warranty.

Q. Can a Dektite be installed around any kind of pipe?

A. Under no circumstances should any Dektite product be used on an unapproved (i.e. single skin) flue discharging from a wood combustion or other high temperature appliance.

Q. What type of sealant should be used?

A. We recommend the use of a neutral cure, low modulus silicone sealant from a reputable manufacturer. Acetyl cure silicones should not be used.

Q. What type of screws should be used with a Dektite?

A. Recommend Class 3 or Class 4 hex head self-drilling screws min 16mm long assembled with Deks washers. Alternatively, pop (sealed) rivets can be used when fixing Dektite flashings. Fixing should be maximum 50mm apart.

For more information call +359 32 635 542 or email office@sktradingbg.com





Address: 4000, Plovdiv, Bulgaria
5, Dyakon Ilarion str.
Tel.: +359 32 / 519 266
Mobile:+359 894 654 582
 E-mail : office@sktradingbg.com

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