SPG Easy Airtight Underfloor Inspection Hatches, 460mm Square, SFK460S, Made In Japan, Silver

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1. KEY FEATURES: - Size: (outer frame outline) 474mm, (floor opening) 460mm, (inner frame outline) 450mm, (lid floor material) 436mm - Color: Silver - Specifications: Alumite treatment - Material: Aluminum - Accessories: Rotating handle (1 set), reinforcing material (1 piece)

2. PRODUCT DESCRIPTION: A Japanese-made underfloor inspection port that allows you to easily install the outer frame and inner cover [Applications] Underfloor inspection port [Features] - Equivalent to airtightness class A-4, prevents indoor air leaks and outside air intrusion, and protects indoors from cold air, drafts, hot air, etc., making it ideal for use in energy-saving homes. - Floor assembly can be done by making openings with reinforced joists, so no support beams are required. - Frame materials are already assembled- The handle can be easily installed by drilling two 20mm holes. - Flooring material can be inserted into the inner cover without disassembling and assembling the inner frame as before, and the inner cover can be easily installed in a stable state by driving screws from the back side. [Notes]*If the flooring material is 15mm thick, you can use it as is, but if the flooring material is less than 15mm thick, please adjust it by pasting or other methods to make it 15mm thick.*Inner frame reinforcing material is included, so be sure to attach it to the inner frame flooring material.

3. PRODUCT DIMENSIONS & WEIGHT: - Weight: 1.84 kg - Dimensions: 48.6 x 47.8 x 4.4 cm

4. SPECIFICATIONS: