Top-Rated Fiber Cement Siding Contractors in Affton, MO
Google rating fills in for a license file on this Affton page: 9 fiber cement contractors made the list on review strength alone. Between them they carry 1,488 reviews, averaging 4.7.
Google Maps ratings checked · How we rank
43.9 innormal precipitation a year
Rainfall and moisture load in Affton
Affton averages 43.9 inches of precipitation a year, with May the wettest month at 4.9 inches.
Fiber cement's cement-and-cellulose composition is engineered specifically for sustained moisture exposure like Affton sees, unlike a wood-based product left unprotected.
Data: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020 (annual/seasonal and monthly, by station) (1991-2020), from the nearest NOAA station 6.3 mi away.
What FEMA's risk index shows for St. Louis County
Wildfire risk in St. Louis County rates Very Low; hurricane risk rates Very Low, per FEMA's county-level data.
Whichever hazard dominates near Affton, ask an installer how the specific product and installation are rated for it, not just what the base material is made of.
- Strong wind
- Relatively High
- Hail
- Very High
- Hurricane
- Very Low
- Wildfire
- Very Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
Fiber cement contractors near Affton, ranked by their Google rating
Review count works like a multiplier here: a 5.0 from a dozen reviewers can still rank under a 4.7 built on a few hundred. That math has nothing to do with licensing, so look up the contractor's license or registration number with the state before you commit.
Conner Roofing, LLC
Siding contractor
- Google rating
- Reviews
- 510
- Area
- St. Louis 63119
Coldstream Exteriors
Siding contractor
- Google rating
- Reviews
- 226
- Area
- St. Louis 63127
Colonial Construction
Siding contractor
- Google rating
- Reviews
- 133
- Area
- St. Louis 63123
Constructors 911
Siding contractor
- Google rating
- Reviews
- 159
- Area
- St. Louis 63119
Reliable Construction 1
Siding contractor
- Google rating
- Reviews
- 86
- Area
- St. Louis 63128
St. Louis Roofing & Siding LLC
Siding contractor
- Google rating
- Reviews
- 63
- Area
- Kirkwood 63122
KSK Exteriors LLC
Siding contractor
- Google rating
- Reviews
- 48
- Area
- St. Louis 63126
Triton Exteriors
Siding contractor
- Google rating
- Reviews
- 202
- Area
- Webster Groves 63119
Elite Exteriors LLC
Siding contractor
- Google rating
- Reviews
- 61
- Area
- St. Louis 63128
Fiber cement questions worth asking before you sign
- Is this product factory-primed or factory-finished, and if primed, will painting happen inside the manufacturer's required window?
- What ground clearance and roofline clearance will the crew actually leave, and does it match the manufacturer's published minimums?
- How will the crew control silica dust when cutting, and what equipment are they using outdoors versus indoors?
- If this home is in a fire hazard zone, is the specific product and assembly rated for it, not just the base material?
- What does the substrate warranty cover, separately from any paint or finish warranty?
- Is this formulation built for {city}'s climate zone, or a generic nationwide version?