Hatocot® (Roof dog house)

Hatocot® (Roof dog house) Overview

The HATOCOT® is Japan’s No. 1 ready-to-assemble roof penetrations housing or “dog house” since 1987. Three main features of Hatocot®: 1. Easy and quick installation, 2. Easy access for maintenance, 3. Lightweight to lessen burden of building structure.
Conventionally, construction of a plumbing cover on a roof needs many complicated steps and long period of time; including: marking, form assembly, bar arrangement, concrete placement, form removal, waterproofing, and mortar finishing before laying roof slabs.

The ready-to-assemble HATOCOT® provide standardized dimensions and quality serves to shorten the planning and construction period, and contribute to reduction in waste material generated at construction sites.

Overview Features CAD 2D & 3D Product Types Project Gallery Enquiry

Features of Hatocot® Roof Dog house

Greatly shortening the work period
Use of a ready-to-assemble Hatocot unit eliminates many troublesome steps that are required in conventional methods. Surface protection by other members is not necessary, allowing work on waterproofing the roof and plumbing in the facilities to be started immediately after Hatocot installation.
Easy maintenance of plumbing and electrical equipment
Plumbing requires periodic inspection and cleaning. Consisting of three-part configuration, the Hatocot can be easily maintained as the top lid is removable.
Suitable for Additions & Alterations (A&A) works and enlargement works that requires access through the roof slab
When an extension is built onto an existing building, the roof is often used as a work space. Such work requires access through the roof slab, causing much trouble for waterproofing and other tasks. Use of the Hatocot will ensure economical, high-quality construction.
Constructed of FRC (the top body is made of ZAM-steel)
Special FRC (fiber reinforced concrete) was developed for the Hatocot to resist harsh environmental conditions on roofs. Compared to conventional concrete, it is highly resistant to freezing and thawing, is durable and strong against water absorption, and is lightweight.

8 Steps to Install Hatocot® roof penetration housing (doghouse)

CAD 2D and 3D Ready

Improve off-site and on-site time and energy efficiency by using 3D modelling to design and specify Hatocot. We have developed BIM Object for all types and sizes.

Ref: Roof dog house project in Japan.

HATOCOT® prefab roof dog house is available for 2D CAD.

Type of files: DWG, DXF, JWC.
Reference 2D for Hatocot V-II type.

HATOCOT® prefab roof dog house is also available in 3D files.

Type of files: RFA (Revit), IFC.
Reference 3D for Hatocot V-II type.

Each Hatocot roof dog house product Dimension, Weight, Accessories, and Supplier Data can be viewed in Properties.

Product Types and Dimension

HATOCOT® Prefab roof dog house details by solution types and sizes

Hatocot comes in standardised dimensions so it’s easy to specify.

P Type:	Dog house size suitable for pipes for different uses, including refrigerant pipes, stack vent pipes, water supply pipes, and cable ducts. P-0: W 670 x D 670 x H 716 (Opening area max. 290 x 187) P-I: W 920 x D 670 x H 716 (Opening area max. 540 x 187) P-II: W 1,220 x D 670 x H 716 (Opening area max. 840 x 187)
PH Type:	PH-type units are modified P-type in which the bottom part is taller by 105mm. PH-0: W 670 x D 670 x H 821 (Opening area max. 290 x 187) PH-I: W 920 x D 670 x H 821 (Opening area max. 540 x 187) PH-II: W 1,220 x D 670 x H 821 (Opening area max. 840 x 187)
V Type:	V type unit is dog house designed for multiple pipes or ducts. V-I: W 980 x D 980 x H 1,029 (Opening area max. 600 x 500) V-II: W 1,280 x D 1,280 x H 939 (Opening area max. 900 x 410)
VH Type:	VH-type units are modified V-type in which the bottom part is taller by 105mm. VH-I: W 670 x D 670 x H 821 (Opening area max. 290 x 187) VH-II: W 920 x D 670 x H 821 (Opening area max. 540 x 187)
VW Type:	Dog house for larger total opening area. It has a specially designed bottom body to allow combination of two or more units. VW-II (S) <Single-side connection>: W 1,350 x D 1,280 x H 999 (Opening area max. 900 x 410) VW-II (W) <Double-side connection>: W 1,420 x D 1,280 x H 999 (Opening area max. 900 x 410)

Kindly download document to view dimensions details

Download PDF – Catalogue

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