Cab roof waterproof felt is an essential component for protecting the HOWO MAX 4X2 tractor cabin. A high quality cab roof waterproof felt prevents moisture ingress, reduces heat transfer, and dampens external noise. This genuine HOWO cab roof waterproof felt kit includes multiple lining layers with sound absorbing cotton. When you choose authentic Howo Parts, you receive a complete cab roof waterproof felt solution engineered specifically for the MAX 4X2 cabin roof.
The lined with sound absorbing cotton is the primary layer of the cab roof waterproof felt system. This material is specifically engineered to absorb and dampen external noise from rain, wind, and road contact. The sound absorbing cotton is made from high density polyester fibers that trap sound waves across a broad frequency range. It is laminated to a waterproof backing that prevents moisture from penetrating into the cabin interior.
The cab roof waterproof felt uses advanced polymers and composite materials to provide excellent acoustic and thermal insulation properties, reducing heat transfer from the external roof to maintain a stable cabin temperature. This layer also acts as a condensation barrier, preventing water droplets from forming on the cold metal roof surface and dripping onto the driver or passenger.
The right felt is a shaped panel that covers the right side of the cab roof structure. This component is precision cut to match the exact contours of the HOWO MAX 4X2 roof, ensuring a snug fit without gaps. The right felt includes integrated mounting points for interior lighting fixtures and air nozzles. The cab roof waterproof felt right side panel is fabricated from a multi layer composite that includes a waterproof membrane, a thermal barrier, and a decorative outer facing.
Its edges are sealed with a high tack adhesive that bonds to the metal roof flange, preventing water from wicking around the edges. The right felt also incorporates a scrim reinforcement that provides dimensional stability, so it will not sag or stretch over time. This component is essential for complete coverage of the cab roof waterproof felt system on the passenger side of the cabin.
Another lined with sound absorbing cotton is used on additional roof sections to ensure full coverage of the cab interior. This second layer provides redundant protection against heat and noise ingress. The cab roof waterproof felt uses multiple layers of sound absorbing cotton to achieve optimal noise reduction, with some configurations reducing cabin sound levels by up to fifty percent compared to standard configurations. The material is also fire retardant, meeting FMVSS 302 automotive safety standards for flammability.
The cab roof waterproof felt is designed to be compatible with the cabin air distribution system, with pre cut openings for HVAC vents and defroster nozzles. The sound absorbing cotton does not impede airflow while still providing effective acoustic damping. Installation of this second layer ensures that no metal roof surface is left exposed, eliminating potential cold spots that could cause condensation and corrosion over time.
Cab roof waterproof felt – complete thermal and acoustic insulation kit
| Material Encoding | Name |
|---|---|
| YZ167469000001 – Lined with sound absorbing cotton | |
| YZ167469000002 – Right felt | |
| YZ167469000003 – Lined with sound absorbing cotton | |
The cab roof waterproof felt includes multiple layers of high density sound absorbing cotton that reduce cabin noise from rain, wind, and road contact. This creates a quieter driving environment that reduces driver fatigue during long hauls on Nigerian roads.
This cab roof waterproof felt reduces heat transfer from the external roof into the cabin, maintaining a more stable interior temperature. The thermal barrier reduces the workload on the air conditioning system and improves energy efficiency, especially during hot Nigerian summers.
The waterproof backing on this cab roof waterproof felt prevents condensation and rain ingress from damaging the cabin interior. It also inhibits mold growth and protects the metal roof from corrosion, extending the service life of the cab structure.
Each component of this cab roof waterproof felt kit is precision cut to match the exact contours of the HOWO MAX 4X2 roof. The pre cut openings for air nozzles and lighting fixtures ensure professional installation without trimming or modification.
The cab roof waterproof felt is especially important for trucks operating in Nigeria’s hot and humid climate. During the rainy season, the waterproof layer prevents moisture from seeping into the cabin, reducing the risk of mold and mildew. During the dry season, the thermal barrier reflects radiant heat away from the cabin, keeping the interior cooler and reducing the need for maximum air conditioning.
Drivers who have installed this cab roof waterproof felt report a noticeable difference in both temperature stability and noise levels. The reduction in rain noise is particularly appreciated during the wet season, when heavy downpours can otherwise make conversation difficult.
The sound absorbing cotton used in this cab roof waterproof felt is manufactured from recycled polyester fibers with a density of 600 grams per square meter. The material has a noise reduction coefficient of 0.85 across frequencies from 500 Hz to 5000 Hz. It meets UL 94 HF 1 flammability rating and produces no toxic fumes when exposed to heat.
The cotton is laminated to a polyethylene waterproof membrane that has a water vapor transmission rate of less than 5 grams per square meter per 24 hours. This cab roof waterproof felt component can be installed using spray adhesive or mechanical fasteners, depending on the vehicle configuration. The material is also resistant to mildew growth and does not absorb standing water, making it ideal for high humidity environments.
The right felt panel is thermoformed from a composite that includes a 3mm thick felt core, a waterproof scrim layer, and a decorative polyester facing. The panel measures approximately 800mm by 600mm and is contoured to match the roof’s compound curves. The cab roof waterproof felt right side panel includes integrated mounting points for the right side interior light and air vent.
The edges are finished with a bound edge tape that prevents fraying and provides a clean appearance. The backing includes pressure sensitive adhesive strips that hold the panel in place while mechanical fasteners are installed. This component is specific to the HOWO MAX 4X2 cab and is not interchangeable with other HOWO models, so ordering the correct part number is essential.
Begin by removing the existing roof lining and cleaning the metal roof surface. Ensure the surface is free of dust, oil, and moisture. Position the first lined with sound absorbing cotton layer over the center of the roof, aligning it with the air vent openings.
Press firmly to engage the adhesive strips. Install the right felt panel on the passenger side, aligning the cutouts with the mounting points. Press firmly to ensure full contact with the roof surface. Position the second lined with sound absorbing cotton layer over any remaining exposed areas, overlapping the edges of the other components by at least 25mm. Reinstall the roof trim panels and lighting fixtures. The entire cab roof waterproof felt installation typically takes ninety minutes for an experienced technician. After installation, check for any gaps or loose edges that could allow moisture penetration.
This cab roof waterproof felt kit is designed specifically for the HOWO MAX 4X2 low roof cab and sleeper cab variants. It is compatible with both left hand drive and right hand drive configurations. The right felt panel is specific to the passenger side regardless of driving position, as the roof structure is symmetrical.
This kit is not compatible with high roof cabs or with older HOWO A7 models. Always verify your vehicle’s cab type and production year before ordering this cab roof waterproof felt kit. For high roof cab applications, a different kit with larger panel sizes is required.
Inspect the cab roof waterproof felt every 100,000 kilometers or during routine service. Check for signs of water staining, which indicates a breach in the waterproof membrane. Look for loose edges or gaps where moisture could enter. Examine the sound absorbing cotton for signs of mold or mildew, which would indicate excessive moisture accumulation. If any damage is found,
repair the affected section with waterproof tape or replace the entire component. The right felt panel can be replaced individually if damaged. The cab roof waterproof felt system requires no routine maintenance beyond visual inspection, but keeping the roof exterior well sealed around joints and seams will extend the life of the interior insulation.
If water drips from the headliner after rain, the cab roof waterproof felt may have a gap along the roof panel seam. Remove the trim and inspect the edges of the felt panels. Apply waterproof seam tape to any visible gaps. If the cabin is still noisy after installation, ensure that the sound absorbing cotton layers are in full contact with the metal roof; gaps reduce acoustic performance. If the right felt panel does not lie flat,
it may have been bent during shipping; warm the panel with a heat gun and press into shape. For persistent moisture issues, check the exterior roof seals and antenna grommets, as the problem may originate outside the cab roof waterproof felt system. Always use genuine HOWO replacement parts for any repairs.
Aftermarket roof insulation often uses open cell foam that absorbs water and promotes rust. The waterproof membrane may be missing or of inferior quality, leading to condensation problems. Generic sound absorbing cotton may not meet flammability standards, posing a fire safety risk. The genuine HOWO cab roof waterproof felt uses certified flame retardant materials and a true waterproof barrier.
The shaped right felt panel is precision molded to the exact roof contours, whereas aftermarket panels must be trimmed and may not fit properly. The price difference between genuine and aftermarket parts is minimal when considering the potential damage caused by water intrusion and poor fit. For fleet operators, using genuine cab roof waterproof felt reduces warranty claims and improves driver satisfaction.
The sound absorbing cotton used in this cab roof waterproof felt is manufactured from recycled polyester fibers, reducing waste and energy consumption. The waterproof membrane is free from phthalates and other hazardous plasticizers. All components are RoHS compliant and contain no heavy metals. The packaging is made from recycled cardboard and is fully recyclable.
The manufacturing process complies with ISO 14001 environmental management standards. Choosing genuine HOWO cab roof waterproof felt supports sustainable practices while protecting your vehicle from moisture damage.
This cab roof waterproof felt kit includes three components with the following material encodings: YZ167469000001 for the first lined with sound absorbing cotton layer, YZ167469000002 for the right felt panel, and YZ167469000003 for the second lined with sound absorbing cotton layer. All three components can be ordered together as a complete kit under a single part number. Each component is individually packaged with installation instructions.
Authorized HOWO dealers in Nigeria stock these genuine parts for immediate delivery. For bulk orders of ten or more kits, volume discounts and expedited shipping are available. Always verify the kit contents upon receipt and report any missing components immediately.
Fleet managers who have installed this cab roof waterproof felt kit report a significant improvement in cabin comfort. Drivers note that the cab stays noticeably cooler during midday heat, and the air conditioner reaches set temperature faster. The reduction in rain noise has also been appreciated, with several drivers commenting that they can now take phone calls during storms. The waterproof layer has eliminated the musty smell that previously developed in older trucks during the wet season.
Many operators have made this cab roof waterproof felt a standard addition to all new vehicles in their fleet, citing the low cost and high return on investment. Workshops also appreciate the precision fit of the right felt panel, which reduces installation time compared to generic insulation materials.
The cab roof waterproof felt components are shipped flat in reinforced cardboard cartons to prevent creasing or folding damage. The sound absorbing cotton layers are vacuum packed to reduce volume; allow them to expand for twenty four hours before installation.
The right felt panel is protected by foam corner guards. Store the components in a dry indoor area between 10°C and 30°C. Do not stack heavy items on top of the cartons. The shelf life is three years when stored properly. For long term storage, keep the components in their original packaging to protect against dust and UV exposure. If the adhesive backing loses its tack, use a spray contact adhesive during installation.
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