Crawl Space Encapsulation in San Lorenzo, Puerto Rico
17 crawl space companies serve San Lorenzo, Puerto Rico, with 1,960 customer reviews between them. Most full-service crawl space contractors handle encapsulation even when it isn't listed separately — confirm scope when comparing quotes. Local encapsulation typically runs $3,000–$8,000.
Get sealed crawl space quotes from San Lorenzo contractors who specialize in vapor barriers, vent sealing, and dehumidification. For broader services, see all crawl space repair contractors in San Lorenzo.
San Lorenzo Encapsulation Cost — Southeast — High Humidity
Average summer crawl space humidity: 75–95%. Primary driver: persistent humidity, mold pressure, termite activity.
Cost varies with crawl space sq ft, vapor barrier mil thickness, dehumidifier sizing, and wall insulation. Get 2–3 quotes for an exact number.
Why Encapsulation Matters in San Lorenzo
In the Southeast, vented crawl spaces draw in hot, humid summer air that condenses on cooler surfaces and feeds mold within 24–48 hours. Encapsulation is no longer "optional" here — most Southeast building codes now allow or require sealed crawl spaces. The combination of a sealed vapor barrier, vent caps, and a dedicated dehumidifier is the standard remediation.
What a San Lorenzo Encapsulation System Should Include
- ✓12–20 mil reinforced vapor barrier on floor and 6–12 inches up walls
- ✓Mechanical vent sealing on all foundation vents
- ✓R-10 to R-13 wall insulation (rigid foam)
- ✓Crawl space-rated dehumidifier (70–95 pints/day depending on sq ft)
- ✓Antimicrobial pre-treatment if any visible mold
- ✓Pest exclusion at sill plate and penetrations
What to Watch For in Puerto Rico
- !Avoid contractors who use thin (6-mil) plastic — it is not a long-term vapor barrier
- !Reject quotes that omit a dehumidifier — vent sealing without dehumidification can trap moisture
- !Confirm the warranty is transferable to the next homeowner (resale value)
Encapsulation Contractors in San Lorenzo
Professional Insulation Services, Inc.
62MM+R4X, PR-181, Gurabo, 00778, Puerto Rico
1 reviews
I.M.R. CONTRACTORS & SERVICES INC.
URB. BOSQUE LLANO 719, San Lorenzo, 00754, Puerto Rico
1 reviews
Xalos Foundation Support
9472 Wellington Cir, Windsor, CA 95492, USA
28 reviews
BM CONSTRUCTION CORP.
Carr 183 Km 7.6 Del Valle Industrial Park 8, San Lorenzo, 00754, Puerto Rico
2 reviews
Mr. Hernandez Crawlspace crawlspace repair &waterproofing
3438 Gordon Terry Pkwy #44, Trinity, AL 35673, USA
36 reviews
SouthernDry Waterproofing & Foundation Repair Specialist
213 Mds Dr Suite 100, Pell City, AL 35125, USA
457 reviews
MidSouth Crawlspace Solutions
2404 US 49, Florence, MS 39073, USA
835 reviews
F.O.R. Roofing Contractors, Inc.
629 Cll Pereira Leal, San Juan, 00923, Puerto Rico
18 reviews
Cotton Global Disaster Solutions
Calle E Lote 17-A Los Frailes Industrial Park, Guaynabo, 00969, Puerto Rico
8 reviews
Lowcountry Crawlspaces LLC
6206 Savannah Hwy, Ravenel, SC 29470, USA
111 reviews
In-Viro Care
1013 Av. Luis Vigoreaux, Guaynabo, 00966, Puerto Rico
6 reviews
John's Waterproofing
219 Airport Rd NE, Silverton, OR 97381, USA
379 reviews
PuroClean of San Juan Puerto Rico
Highway 169, Bo Camarones Local 26, Guaynabo, 00969, Puerto Rico
51 reviews
Andújar Construction
HC20 Box 28739, San Lorenzo, 00754, Puerto Rico
15 reviews
International Roofing & Waterproofing Puerto Rico
Hato, San Lorenzo 00725, Puerto Rico
7 reviews
Bay Area Moisture Control
67 Galli Dr Suite C, Novato, CA 94949, USA
5 reviews
Dakes Environmental Cleaning Services
Cll 35 SE, San Juan, 00921, Puerto Rico
0 reviews
Encapsulation FAQs — San Lorenzo, Puerto Rico
Which companies offer crawl space encapsulation in San Lorenzo?
Professional Insulation Services, Inc. (5.0★), I.M.R. CONTRACTORS & SERVICES INC. (5.0★), Xalos Foundation Support (5.0★) are the top-rated crawl space companies in San Lorenzo, and most full-service contractors handle encapsulation — ask for it specifically when requesting quotes.
How many crawl space contractors serve San Lorenzo?
17 crawl space companies are listed for San Lorenzo; Mr. Hernandez Crawlspace crawlspace repair &waterproofing is the highest-rated at 5.0★ (36 reviews). Pros in nearby San Juan and Aguadilla also cover the area.
How much does crawl space encapsulation cost in San Lorenzo, Puerto Rico?
Crawl space encapsulation in San Lorenzo, Puerto Rico typically costs $3,000–$8,000 for a complete system. Pricing depends on crawl space size, vapor barrier mil thickness (12-mil to 20-mil), whether a dehumidifier is included, and wall insulation specs. Southeast — High Humidity pricing reflects local labor rates and climate-driven scope.
What vapor barrier thickness is best for San Lorenzo?
20-mil reinforced is recommended in this climate. Cheaper 6-mil or 10-mil sheeting will tear and degrade within 3–5 years under Southeast humidity.
Do I need a dehumidifier with encapsulation in San Lorenzo?
A dedicated crawl space dehumidifier sized for 90+ pints/day is standard for 1,500–2,500 sq ft homes. Maintain humidity below 55% year-round — this is non-negotiable in the Southeast.
How long does crawl space encapsulation last?
A professional encapsulation system in San Lorenzo lasts 15–25 years. The vapor barrier itself (especially 20-mil reinforced products) can last 25+ years. Dehumidifiers should be serviced annually and replaced every 8–12 years. Most contractors offer transferable warranties of 10–25 years on the vapor barrier and 5–7 years on the dehumidifier.
When is the best time of year to encapsulate a crawl space in San Lorenzo?
Schedule between November and March. Crawl space humidity is lowest, contractors are less booked, and you avoid the May–September peak when most encapsulations get installed reactively after mold discovery.
Expected ROI
Energy savings: 8–18% of total home heating/cooling. Resale value: most appraisers add $5K–$15K for a fully encapsulated, transferable-warranty system. Many buyers in the Southeast now expect encapsulation in homes with crawl spaces.
Best Season to Schedule
Schedule between November and March. Crawl space humidity is lowest, contractors are less booked, and you avoid the May–September peak when most encapsulations get installed reactively after mold discovery.
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Encapsulation Guides
Southeast — High Humidity
Average summer crawl space humidity: 75–95%.