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hvac:roof_vent [2020/04/06 13:14] frater_secessus [sizing] |
hvac:roof_vent [2020/12/03 16:49] frater_secessus [placement] |
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- | The industry standard for RV roof vents is 14" | + | The industry standard for RV roof vents is 14" |
See also [[hvac: | See also [[hvac: | ||
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There several and sometimes conflicting factors affecting vent placement. | There several and sometimes conflicting factors affecting vent placement. | ||
- | * for effective **cross-ventilation** throughout the length of the van one would put the fan at the opposite end of the fresh air intake. | + | * for effective **cross-ventilation** throughout the length of the van one would put the fan at the opposite end of the fresh air intake. |
* for **direct breeze at night the vent** might be placed in the sleeping area.((Or one might just use a portable fan for this.)) | * for **direct breeze at night the vent** might be placed in the sleeping area.((Or one might just use a portable fan for this.)) | ||
* for **protection from rainfall** at night((no cover, or manually operated fans)), the fan might be placed away from the sleeping area | * for **protection from rainfall** at night((no cover, or manually operated fans)), the fan might be placed away from the sleeping area | ||
* for **cooking exhaust** the vent would be placed over the cooking area. | * for **cooking exhaust** the vent would be placed over the cooking area. | ||
- | ===== installation ===== | ||
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If no entirely flat spot is available, one can cut through the corrugations and either use an adapter to seal the gaps or build up the low areas with buytl tape, etc. | If no entirely flat spot is available, one can cut through the corrugations and either use an adapter to seal the gaps or build up the low areas with buytl tape, etc. | ||
+ | ===== installation ===== | ||
+ | * //radius// (round) the corners rather than leaving right angles to prevent stress fractures in the corners. | ||
+ | * [[http:// | ||
===== rainproofing ===== | ===== rainproofing ===== | ||
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===== nonstandard vents ===== | ===== nonstandard vents ===== | ||
- | Although 14x14" vents are standard in the camper world, there are other options. | + | Although 14x14" vents are standard in the camper world, there are other (usually smaller) |
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+ | ==== mushroom vents ==== | ||
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+ | RV-style mushroom vents are typically mounted in 5" to 6.25" holes. | ||
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+ | ==== wind-powered vents ==== | ||
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+ | [[https:// | ||
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- | Marine style mushroom vents | ||