TITLE — Increase Slate Roof Life & Sustainability — SlateSpacer

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Scope of use

Q: Can I use SlateSpacer on hooked installations?

A: Yes. SlateSpacer can be used with nailed or hooked slates.

Q: Can I use SlateSpacer on closed roof decks?

A: Yes. SlateSpacer can be used on open or closed roof decks.

Q: Can I use SlateSpacer with any slate thickness?

A: Current models of SlateSpacer are sized for the most common slate thincknesses, namely, from 4 mm to 10 mm (

5/32 to

3/8). Please contact us if your slate is another thickness.

Q: Can I use SlateSpacer with assorted slate widths (varying widths next to each other)?

A: Yes. A minumum side lap of 75 mm (3) should be preserved. Please contact us if you wish to use a smaller side lap.

Q: Can I use SlateSpacer with any head lap?

A: Current models of SlateSpacer are sized for the most common head laps, namely, from 75 mm to 125 mm (3 to 5). Please contact us if you wish to use another head lap.

Performance

Q: How long does a slate roof that uses SlateSpacer last?

A: The evidence* predicts that SlateSpacer will extend roofing slate life by many decades, in the case of high quality slate, and by many years, in the case of low quality slate. This is because SlateSpacer lets slates dry 8X faster, resulting in a dramatic reduction in the time during which aging processes can occur. In the simplest terms: The processes that age slate require water; slate traps water (as do other overlapped roofs), and SlateSpacer frees trapped water.

* Drying tests, the archeological record, examination of old slates and a modern understanding of the processes that age stone all predict substantial lengthening of slate life. Learn more about how water ages stone, how roofing slates trap water and how SlateSpacer frees trapped water .

Q: Does spacing slates introduce a weather-entry problem?

A: No. The 1.2 mm ( 1/16) gap that SlateSpacer introduces is smaller than other gaps that already commonly exist in slate roofs. Joint spaces (the channels between slates) are often up to 4 mm (

3/16) tall and wide, or more, and thickness variances of adjacent slates are commonly 2 mm (

3/32). Over the centuries, standard overlaps have been well worked out to accomodate these openings. Because it reduces capillary action, SlateSpacer actually reduces the most persistent form of water penetration.

Q: Does spacing slates with SlateSpacer introduce a breakage problem?

A: No. And, with respect to damage caused by improper nailing, it helps. Learn about walk testing and how SlateSpacer reduces breakage .

Purchase

Q: Where can I buy SlateSpacer ?

A: Please contact us ; we’ll be happy to put you in touch with distributor who can provide an estimate or take your order.

Other

Q: Are there other spacer systems?

A: No. We are the inventors and developers of the spacer concept. SlateSpacer resulted from a two year research effort to develop the most effective possible spacer. The effort involved hundreds of designs, scores of prototypes and several patent filings in several countries.

Q: Do the various single-lap slate systems, that use non-slate materials beneath slates to achieve a water-tight roof, provide a similar benefit to SlateSpacer ?

A: No. SlateSpacer lengthens roof and slate life; single-lap slate systems do not. A roof is only as long-lived as its shortest-lived element. SlateSpacer is made of stainless steel, which matches slate life. The water-shedding components of single-lap slate systems are made of fabric, plastic, or galvanised steel, which do not last as long as high-grade slate and cannot extend roof life. The two products are simply designed to address differerent requirements.


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