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Simpson Strong-Tie
Product Code: 78SFLH300063
Model Code: SFLH300/63
Brand: Simpson Strong-Tie
Finish: Pre Galvanised
£13.84 inc VAT ( Priced Each )
Delivery expected in 2/3 days
FREE Standard Delivery on Orders over £100*
Efficient Masonry-to-Timber Connection with the SFLH300/63
IMPORTANT NOTE: The hanger height is actually 300mm, it is designed with a 10mm undercut to ensure the joist sits flush with the top of the blockwork.
The Simpson Strong-Tie SFLH300/63 is an innovative, single-piece masonry joist hanger engineered to support timber joists directly from masonry walls. Unlike traditional hangers, the SFLH does not require a course of masonry above the hanger to achieve its published load-bearing values, making it an ideal choice for fast-paced construction environments. The SFLH series is engineered to meet Part L air leakage requirements by supporting joists without penetrating the inner masonry leaf, effectively eliminating the need for additional mortars, mastics, or proprietary joist sealants.
Key Features & Benefits:
Rapid Installation: Allows floor deck construction to proceed just 3 days after the supporting blockwork is laid (compared to the industry-standard 28 days).
Enhanced Energy Efficiency: Designed specifically to help meet air leakage requirements for the Code for Sustainable Homes. By supporting the joist without penetrating the inner blockwork leaf, it eliminates the need for time-consuming mortaring or mastic sealing.
High Performance: Achieves full structural capacity without the weight of additional masonry courses above the flange.
Safety First: Reduces H&S risks by eliminating the need for temporary propping of floor joists during the curing process.
Material Quality: Manufactured from high-grade pre-galvanised mild steel for excellent corrosion resistance and durability.
Air Tightness: Replaces the need for proprietary sealants or "joist socks" because the hanger doesn't penetrate the inner leaf of the cavity wall.
Why choose the SFLH300/63 over standard hangers?
Speed: Most masonry hangers require the mortar to cure for 28 days before loading. The SFLH allows you to install joists and flooring just 3 days after the wall is built.
No "Course Above": It is structurally rated to work without a course of bricks or blocks on top of the flange—perfect for the top of a wall or under a wall plate.
Sustainability: Supports compliance with the Code for Sustainable Homes by reducing thermal bridging and air bypass at the floor-to-wall junction.
No Masonry Above: Important: Unlike standard masonry hangers, the SFLH achieves its full load-bearing capacity without the need for a course of blockwork above the hanger.
Installation Guidance:
Blockwork: Use on blocks with a minimum crushing strength of 3.5N/mm².
Nailing: All holes in the side flanges must be filled with 3.75 x 30mm Square Twist Nails.
Pro Tip: Do not use with mortar that hasn't reached its initial set (wait at least 72 hours).
| A | B | C | D | E | F | t |
| 63mm | 290mm | 75mm | 49.5mm | 103mm | 81mm | 1.5mm |
*Hanger height (B), the hanger is 300mm, with a 10mm undercut, which gives the advertised 290mm height.
Dimensions
H (Hanger Height): 300mm
Joist Height: 290mm
Undercut: 10mm (The distance from the top of the joist to the top of the blockwork flange)
W (Width): 63mm
Our reliable baseline shipping network services core industrial hubs and regional sites across the UK mainland via premium tracked courier freight routes.
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"The Company" refers to Metro Fixings (www.metrofixings.co.uk).
"The Buyer" refers to the corporate entity, firm, partnership, or individual purchasing Goods or Services from the Company.
"Goods" refers to any fixings, fasteners, building chemicals, tools, or other materials supplied by the Company.
"Services" refers to technical support, testing, tool calibration, or equipment hire provided by the Company ("Metro Hire").
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The Company maintains an active stock profile of approximately 35,000 product lines. While every effort is made to ensure live website inventory accuracy, the Company reserves the right to amend, substitute, or withdraw products without prior notice if manufacturer specifications alter.
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