{"product_id":"malarkey-406-securestart-ht-steep-slope-roofing-underlayment-2-square-roll","title":"Malarkey 406 SecureStart HT Steep Slope Roofing Underlayment, 2 Square Roll","description":"\u003ch1\u003eMalarkey 406 SecureStart HT Steep Slope Roofing Underlayment, 2 Square Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eMalarkey Roofing 406 SecureStart HT is a steep slope roofing underlayment supplied as a 2 square roll, which is the sell unit. Install it over the roof deck beneath Malarkey shingles or other steep slope coverings. Pair with Malarkey starter and hip-and-ridge products for a complete system.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecureStart HT:\u003c\/strong\u003e Part of the Malarkey SecureStart HT underlayment line (No. 406).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 square roll:\u003c\/strong\u003e Each roll provides 2 squares of coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteep slope use:\u003c\/strong\u003e Designed as steep slope roofing underlayment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer support:\u003c\/strong\u003e Manufactured by Malarkey Roofing Products (Holcim).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll format:\u003c\/strong\u003e Sold by the roll for straightforward staging and install.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMalarkey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 roll, 2 squares\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSecureStart HT (No. 406)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e['2 square roll']\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 squares per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteep slope roofing underlayment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eCoverage \u0026amp; How Much You Need:\u003c\/h2\u003e\u003cp\u003eOne roll covers 2 squares (200 sq ft nominal) of deck before laps and waste. Add rolls for overlaps per the shingle manufacturer's instructions.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned for use under Malarkey shingle systems and other steep slope roof coverings. Malarkey starter, hip-and-ridge and sealants are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll of Malarkey 406 SecureStart HT underlayment covering 2 squares.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many rolls per roofing square count?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll per 2 squares; add rolls for laps and waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use it under non-Malarkey shingles?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is listed as steep slope roofing underlayment; verify the shingle manufacturer allows it for their system.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it self-adhered?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The sources do not state an adhesive backing; confirm installation method from manufacturer literature.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSecureStart HT is sized at 2 squares per roll, so it handles quickly on steep pitches and small planes like dormers. Follow Malarkey's underlayment application instructions to keep the shingle system warranty intact. Keep rolls dry and off the ground before use.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eUse fall protection and slip-resistant footwear; synthetic and felt underlayments are slippery when wet or dusty.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Malarkey 406 SecureStart HT underlayment rolls for your next shingle roof.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Malarkey","offers":[{"title":"Default Title","offer_id":53531880391023,"sku":"05MLSSHT","price":246.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Underlayment-Mineral-Surface-SKU_2256751-primary.jpg?v=1790369595","url":"https:\/\/superarbor.io\/products\/malarkey-406-securestart-ht-steep-slope-roofing-underlayment-2-square-roll","provider":"Super Arbor","version":"1.0","type":"link"}