This document serves as the installation manual for the Dunster House Addroom Modular, a self-assembly garden room designed for various uses. The manual provides comprehensive instructions for constructing the Addroom, emphasizing the importance of careful reading and adherence to all steps for a successful build.
Function Description:
The Addroom Modular is a versatile, self-assembly garden room designed to provide additional living or working space. It is offered in various sizes and configurations, allowing for customization to suit individual needs and preferences. The structure is built using a combination of timber, WPC (Wood Plastic Composite) for external panels, and Fermacell for internal panels. The modular design means that components can be interchanged, allowing for flexible placement of windows and doors. The primary function of the Addroom is to offer a durable, aesthetically pleasing, and functional outdoor structure that can serve as an office, studio, hobby room, or simply a relaxing retreat.
Usage Features:
The Addroom Modular is designed for self-assembly, making it accessible to DIY-competent individuals. The manual recommends that assembly be carried out by two people. The construction process involves laying a floor, erecting wall panels, installing windows and doors, adding roof sections, and applying internal and external finishes.
- Flexible Layouts: The modular nature of the Addroom allows for significant flexibility in its layout. Window and door positions can be interchanged to suit specific needs, and the manual explicitly states that "Window and door positions can be interchanged to suit your particular needs." This means users can design the flow of light and access points according to their site and intended use.
- Various Sizes: The Addroom is available in multiple sizes, including 3.0 x 3.0m, 4.0 x 3.0m, and 5.0 x 3.0m variants, with instructions provided for adapting the assembly process for larger models. This caters to different space requirements and budget considerations.
- Window and Door Options: The manual details the installation of various window types, including fixed units and top-opening sashes, as well as French doors. These components are designed to be integrated seamlessly into the wall panels.
- Optional Dwarf Walls: For those who prefer a different aesthetic or functional requirement, the manual includes instructions for installing optional dwarf walls, which can be combined with windows.
- Insulation and Internal Finishes: The Addroom incorporates PIR (Polyisocyanurate) Fermacell panels for insulation and internal lining, contributing to the thermal efficiency and finished appearance of the structure. The foil foam layer of the insulation should face the frames, with the Fermacell board facing into the building.
- Weatherproofing: The design includes features for weatherproofing, such as self-adhesive gasket strips for window and door frames, sealant application at joints, and flashing profiles for the roof. These elements are crucial for ensuring the structure remains watertight and protected from the elements.
- Aesthetic Customization: While external panels are supplied in a neutral WPC color and internal panels are bare Fermacell, the manual suggests that the Addroom can be painted to the owner's preference using a multi-surface paint, allowing for personalization of the exterior and interior.
Maintenance Features:
The manual provides several key recommendations and instructions related to the maintenance and longevity of the Addroom:
- Timber Properties and Care: The timber used is kiln-dried softwood, pressure-treated for protection against rot and insect infestation. The manual acknowledges that timber is a natural product and may exhibit inherent properties such as knots, cracks, and warping. It clarifies that such natural variations will not be grounds for component replacement unless they compromise structural stability.
- Pre-Drilling: A critical instruction for assembly and ongoing maintenance is to pre-drill all holes before fastening screws to prevent timber splitting. This practice is essential for maintaining the integrity of the timber components.
- Base Requirements: A "correct base is paramount" for proper installation and long-term stability. The manual specifies that the base must be completely level and square, recommending a concrete base approximately 100-200mm larger than the Addroom. This foundational requirement directly impacts the structure's durability and minimizes future maintenance issues related to uneven settling.
- Waterproof Connections: The manual emphasizes the importance of running a line of sealant between the floor trim and the cill to ensure a waterproof connection. Similarly, sealant is to be applied in vertical channels wherever two panels meet, and behind wall overlaps, to prevent water ingress.
- Glazing Maintenance: Detailed instructions are provided for correctly packing sealed glass units using bridge packers and shims to ensure a tight fit and proper drainage. Users are warned not to apply silicone to drainage holes. Regular checks for proper engagement of locks, weather protection, and sash alignment are recommended, with instructions for adjusting hinges and latch plates if issues arise.
- Roof and Trim Inspection: It is recommended to periodically inspect the roof and trims for debris that might impede water drainage. This proactive measure helps prevent water accumulation and potential damage to the roof structure.
- Paint and Treatment: While the Addroom is supplied with neutral WPC and bare Fermacell, the manual suggests painting with a multi-surface paint for aesthetic and protective purposes. This implies that users can apply their preferred treatments to enhance durability and appearance.
- Customer Service Support: For any issues that persist after performing checks and adjustments, customers are advised to contact Customer Services, indicating ongoing support for maintenance and problem-solving.
In summary, the Dunster House Addroom Modular is a customizable, self-assembly garden room designed for various uses, with detailed instructions for installation and features that support its long-term functionality and appearance, provided proper assembly and recommended maintenance practices are followed.
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