Building Maintenance

An airtight type that exerts a high airtight effect by providing packing on the outer frame and pressing the inner frame to close it. Due to its excellent airtightness, it is ideal for spaces where temperature, humidity, pressure, etc. are controlled. Can also be attached to a wooden frame.

* Do not use for anything other than indoor ceilings. If it is not used for any other purpose or if it is handled roughly, it may result in injury, malfunction or damage. * Please be sure to follow the procedure and method described when constructing the product. * Do not put your hands or finger... Read More

A simple design with a frame type of 10 mm for both the outer and inner frames. A structure that does not cause a gap with the frame even if the floor material expands and contracts due to the temperature difference. High-strength safety design with a structure in which the lid reinforcement is p... Read More

Ceiling inspection port for indoor use only. The standard is support bracket specifications. Ceiling material holding frame screw fastening type.

Simply turn the coin lock to raise the inner frame forward, and you can easily open the inner frame. The inner frame is a safe and easy attachment / detachment method that cannot be removed unless it is lifted 90 degrees open and pulled toward you. * Cannot be used as a horizontal opening.

Ceiling inspection port frame type that conforms to the specifications of the UR Urban Renewal Organization: 1 frame type that can be screwed to a wooden base. Lift the frame board material to open and close For the ceiling

Shaft rotation type structure. The shaft part is integrated with the inner frame corner metal fittings, and can be easily attached to and detached from the bearing resin of the outer frame. The inner frame can be attached and detached with a simple operation, but it is a safety structure that can... Read More

Since it has an open / close cover, the head of the mounting screw cannot be seen. Since it is made of resin, there is no risk of rust or corrosion. Used for inspection port frames on ceilings and walls * The standard is the internal dimensions of the inspection port frame.

Inner lid reinforcement for KY house hatch

There are no gaps in the joints, and the structure makes it difficult for dust and dirt to come off. The inner frame can be attached to the four outer frames. You can decide the position of the hinge later. By adopting a free hanger, the mounting position is free. The speed holder can shorten the... Read More

The inner frame rotates on an axis and can be easily attached and detached. The inner frame has a safety structure that cannot be removed unless it is lifted and pulled while it is open 90 degrees. Frame type. It can be opened and closed easily by turning it with a coin without using any tools. T... Read More

Standard type ceiling inspection port. It features a lightweight aluminum body and a self-supporting, slide-type fixing bracket that is easy to install. For indoor use * Support bracket specifications are not certified by the Public Buildings Association.

Airtight performance suitable for next-generation energy-saving standards. Airtightness (JIS A4706) A-4 grade equivalent. Free mounting position is free by adopting a free hanger (support bracket). Can also be used for sound insulation purposes. * The CXB type ceiling inspection port is suitable ... Read More

The airtightness is improved compared to the conventional type with the structure that the inner lid presses the airtight material of the outer frame. Since both the outer frame and inner lid are a 12 mm frame type, even if the floor material expands and contracts due to temperature differences, ... Read More

An indoor wall inspection port that does not require a base and is easy to install. Easy construction without tools for both outer and inner frames !! The outer frame can handle wall finishing materials with a thickness of 5 to 26 mm, and the inner frame can handle thicknesses of 5 to 14 mm. The ... Read More

Easy to attach the handle by drilling holes. Underfloor inspection port for floor materials up to 15 mm thick. If the floor material is 15 mm thick, you can use it as it is, but if it is not thick enough, adjust it by throwing it away. For indoor use * Inner frame reinforcement is attached only f... Read More

Renewed construction method. Evolved underfloor inspection port. Evolved the conventional type to realize faster construction. Underfloor inspection port with improved stability and strength. In the conventional type, the structure used to use the pier when installing the outer frame, but by adop... Read More

Easy installation and opening and closing with one touch! It is hard to break due to integral molding, and there are no joints. Both plasterboard 9.5 mm and 12.5 mm can be supported. It has a neat shape and no joints, and can be kept beautiful forever with a quick wipe. Uses environmentally frien... Read More

Wall inspection port frame type according to the specifications of the UR Urban Renewal Organization ・ ・ ・ 1 frame type with screwing from the wall finishing material to the wooden base. Opening and closing frame by removing screws How to fix the board material ・ ・ ・ Easy installation with ... Read More

For HDC series

Comes with a one-touch flat handle (with key). * When using the left hanging source, turn the inspection port upside down, then remove the flat handle and install it in the opposite direction.

A neat and slim joint type ceiling inspection port. Uses a slide lock that can be opened and closed with your fingers, and has good operability. In addition, the shape of the outer frame has less unevenness, improving workability.

For wood plywood, both floor-standing method and conventional method. The floor-standing method uses a speed clipper that does not require screws, which greatly shortens the construction time and eliminates creaking noise and distortion of the outer frame from the screwed part. The conventional c... Read More

Aluminum frame knockdown type underfloor storage Deep type The floor material can be put in without disassembling the inner frame, and there is no need to disassemble and assemble the inner frame as before. By screwing from the back side, the inner lid can be laid down for stable construction. Al... Read More

A dual-purpose type that can be used for both resin tile specifications and mortar specifications by replacing the handle. Easy installation that the anchor metal fittings can be attached to the outer frame simply by twisting with pliers. Resin tile specifications can be used for finishing materi... Read More

Made entirely of SUS304 stainless steel, it is durable and durable. Ideal for makeup floors and berms. Lightweight and easy to install. Inspection is easy due to the adoption of the I-shaped drop handle. A floor hatch bestseller that pursues functionality. For walking

Shut out unpleasant cold air and drafts. It is the best inspection port for use in energy-saving houses, clean rooms, hospitals, and hotels. For indoor use * This product is for indoor use. It cannot be used for heavy ceiling materials.

It is a frame type basic ceiling inspection port. The inner frame can be fixed more firmly with the 2-point fixed Gremon lock. A type with a key is also available. * A notch in the ceiling material is required for the keyed type.

For Φ32

Just put the outer frame in the opening. Speedy with one touch. By adopting one-touch metal fittings, the outer frame can be attached simply by inserting it into the opening without using screws. Since the corners of the outer and inner frames are made of resin, the structure is less likely to ge... Read More

Shut out leakage and intrusion of cold and warm air! Airtightness grade "A-4 grade equivalent" (* In-house test results) It prevents indoor air from leaking and outside air from entering, and protects the room from cold air, drafts, hot air, etc., making it an ideal inspection port for ... Read More

Aluminum ceiling inspection port. It is a hanging type free hanger, and the mounting position is free. It has a structure that does not have gap joints and does not easily remove dust and dirt. The board holder can be installed quickly with the speed holder. The W hinge structure realizes a large... Read More

*This is a house step exclusive product. Please refrain from using it for other purposes.

By reversing the outer frame, it is possible to switch between the outer frame joint and the outer frame frame, so the outer frame can be selected according to the situation at the site. By adopting Gremon lock, the structure is such that the outer frame and inner frame are less likely to be misa... Read More

It is a resin-integrated product with no seams and a step of 2 mm from the floor, so you can use it with confidence. As it is a resin type, it does not "cool" like metal products. There is no need to assemble the frame, and you can choose a lid type or one-touch type that saves time and... Read More

Easy-to-install ceiling hatch.

25mm type including frame. Comes with a one-touch flat handle (with key). * When using the left hanging source, turn the inspection port upside down, then remove the flat handle and attach it to the opposite side.

Open door for inspection of ducts and air conditioners. To safely open and close the inspection door, use the externally open type for the "minus (-) pressure air conditioner" and the internally open type for the "plus (+) pressure air conditioner". Easy to open and close with... Read More