Rotbloc

What Rotbloc does

ROTBLOC LLC is a private, employee-owned manufacturing company headquartered in Bend, Oregon, founded in 2008 by Kenneth Carhart. The company designs and manufactures impermeable barrier wrap products that prevent ground-line rot in wood posts and poles by creating a physical barrier against oxygen, fungi, and moisture at the soil-air interface. The product line is built on patented technology (Utility Patent #8,887,452) and includes pre-molded 4x4 and 6x6 post wraps for residential fencing and decking, commercial rolls (13.5", 20", and 30" widths in 80–180 ft lengths) for vineyard, orchard, hop, and utility pole applications, plus 2X and 4X joist and beam protectors for deck construction. All products are made from 100% recycled materials sourced in the Pacific Northwest, contain no additional chemicals or adhesives, and are validated through field testing managed by Oregon State University's Wood Science & Engineering department since 2013.

The company sells across six end markets — utility, commercial agriculture, decking, fencing, farm and ranch, and residential DIY — through a multi-channel distribution strategy combining national retail (Home Depot), regional lumber distributors (Parr Lumber), agricultural supply distributors (Blehyl, Gintec-Shade, Growers Supply), direct e-commerce via rotbloc.com, and international FedEx drop shipping with personal delivery in Oregon and Washington State. Pricing ranges from $2.65 per 4x4 residential wrap to $180 per commercial roll, with volume tiers available by case, pallet, and truckload. ROTBLOC has secured organic certifications from WSDA in the US and Pro-Cert and PACS in Canada, enabling use in certified organic agricultural operations where chemical alternatives are restricted. The company cites conservation of over 1.5 million trees through extended wood post service life as its principal environmental outcome.

Name

Rotbloc

Legal name

ROTBLOC LLC

Website

https://rotbloc.com

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

ROTBLOC LLC manufactures patented, 100% recycled impermeable barrier wraps that prevent ground-line rot in wood posts and poles, serving utility, agricultural, decking, fencing, and residential customers through retail, distributor, and direct e-commerce channels in North America.

Ownership category

akta.pro rank

Headquarters

HQ city

Bend

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Product Sales: ROTBLOC generates revenue through direct sales of barrier wrap products including post wraps, commercial rolls, and joist protectors. Products are sold individually, by case, by pallet, or in truckload quantities. Both B2B (utility companies, commercial agriculture) and B2C (homeowners, contractors) channels.

Pricing tiers

Go-to-market motion2 records

Distribution channels7 records

Marketing channels3 records

Core offering

Rotbloc manufactures and sells impermeable barrier wrap products that protect wood posts, poles, and beams from ground-line rot. Its product portfolio includes pre-molded 4x4 and 6x6 post wraps for residential fences and decks, commercial rolls in three sizes for utility poles and agricultural trellis systems, the UTL utility pole wrap with adaptive seal, and 2X/4X joist and beam protectors for deck structures. All products are made from 100% recycled materials sourced in the Pacific Northwest, are patented, and are sold direct to consumers, through Home Depot, lumber yards, and agricultural supply distributors.

Product overview

ROTBLOC offers a line of impermeable barrier products designed to protect wood posts and poles from ground-line rot. The product portfolio consists of two main categories: commercial agricultural rolls (13.5", 20", and 30" widths in lengths of 80-180 feet) and retail lumber products (4x4 and 6x6 pre-molded post wraps). The company also offers joist protectors (2X and 4X sizes) for deck applications. The flagship UTL Utility Pole Wrap is designed for commercial and electrical jobs. All products are made from 100% recycled materials, feature an adaptive seal design, ground-line indicators, and multilingual instructions, and are patented under Utility Patent # 8,887,452. Products serve six markets: utility, commercial agriculture, decking, fencing, and farm and ranch.

Differentiator

Problem solved

Functional benefit

Products and services

• ROTBLOC 4X4 Post Wraps Pre-molded square post wraps designed to prevent ground-line rot on treated 4x4 posts commonly used for residential fences and support posts. Easy to install in 10 seconds or less, sold at $2.65 per unit, and suitable for homeowners and contractors installing outdoor structures.
• ROTBLOC 6X6 Post Wraps Pre-molded square post wraps for chemically treated 6x6 posts with stable ground-lines, used for decks, support and gate posts, and pole barns. Sold individually or by case at $4.65 per unit, designed for quick installation by homeowners and contractors.
• ROTBLOC 13.5 in. X 180 ft. Standard Commercial Roll Standard commercial barrier wrap roll measuring 13.5 inches by 180 feet, ideal for vineyard posts, ranch fencing, centerline orchard, and hop trellis poles. Rests 11 inches below the ground-line and is approved for organic use.
• ROTBLOC 20 in. X 120 ft. Standard XL Commercial Roll Standard XL commercial roll measuring 20 inches by 120 feet, designed for poles set on an angle or for hop growers that are hilling their hops. Rests 18 inches below the ground-line and is approved for organic use.
• ROTBLOC 30 in. X 80 ft. Commercial Roll Commercial-grade ground-line protection wrap measuring 30 inches by 80 feet, designed for chemically treated trellis anchor poles or for organic growers with low rot-resistant wood species. Rests 24 inches below the ground-line and provides the deepest barrier coverage in the commercial roll line.
• ROTBLOC UTL Utility Pole Wrap Utility pole barrier system featuring an adaptive seal that faces inward to deflect moisture and organic debris above the ground-line, a ground-line indicator for accurate 2-inch placement, and instructions printed in English, Spanish, German, and Italian. Designed for electric utility and telecommunications crews to extend the service life of chemically treated utility poles.
• ROTBLOC 4X Beam Protector 4-inch beam protector roll measuring 4 inches by 0.03 inches by 80 feet, with integrated drip edge and retail-ready packaging. Patent pending, made from 100% recycled content, and installs in any environmental condition without problematic adhesives (not butyl tape). Priced at $29.54 per roll.
• ROTBLOC 2X Joist Protector 2-inch joist protector roll measuring 2 inches by 0.03 inches by 80 feet, made from 100% recycled content and designed to protect deck joists from moisture damage. Priced at $19.34 per roll with a 1.6 lb product weight.

Quantifiable outcome

• Successfully conserved over 1.5 million trees through extended wood post service life
• +2 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Home DepotcoreChannel Partner/ Reseller/ DistributorMajor retail distribution partner for ROTBLOC 4x4 and 6x6 post wrap products. Products available in-store and online through Home Depot. This is a primary retail channel for consumer-facing sales of residential products.
• Parr LumbercoreChannel Partner/ Reseller/ DistributorRegional lumber and building materials distributor based in Bend, Oregon. Stocks ROTBLOC 4x4 and 6x6 post wraps. Primary distributor for Pacific Northwest market.
• Oregon State University Wood Science & EngineeringcoreStrategic or Co-development PartnerLong-term research partnership conducting field testing of ROTBLOC products since 2013. OSU researchers managed field studies at Hilo, Hawaii testing site under extreme environmental conditions. Published findings on product durability and chemical leaching prevention.
• WSDA (Washington State Department of Agriculture)coreStrategic or Co-development PartnerOrganic certification body that approved ROTBLOC for use on organic farms and ranches. ROTBLOC is listed on WSDA website under organic devices legal for organic operations.
• Pro-CertcoreStrategic or Co-development PartnerCanadian organic certification organization that approved ROTBLOC for organic applications in Canada, alongside PACS certification.
• BlehylminorChannel Partner/ Reseller/ DistributorAgricultural supply distributor carrying ROTBLOC products for farm and ranch applications.
• Gintec-ShademinorChannel Partner/ Reseller/ DistributorAgricultural supply distributor serving growers with ROTBLOC products.
• Growers SupplyminorChannel Partner/ Reseller/ DistributorFarm and agricultural supply distributor for commercial agricultural operations.

Scale indicators6 records

Recent moves1 record

Expansion highlights5 records

Emerging players

• Wood Defender: Wood Defender manufactures fence and deck stains/sealers sold through lumberyards and home improvement retailers, including Home Depot. It competes for the same decking/fencing homeowner budget as ROTBLOC's retail post wraps, though via surface treatment rather than ground-line protection.
• Duckback Products: Duckback Products (SuperDeck, WeatherReady) sells deck and fence stains/sealants aimed at extending wood service life above-ground. It addresses a related but adjacent problem (UV/moisture protection) rather than ground-line rot, overlapping with ROTBLOC's decking segment at the homeowner level.

Broad incumbents

• UFP Industries: UFP Industries is a major manufacturer and distributor of pressure-treated lumber, fence components, and outdoor building products serving retail (Home Depot, Lowe's) and pro channels. As an incumbent supplier of treated wood posts, it is a channel-level alternative whose specifications influence whether ROTBLOC wraps are specified at installation.
• Lonza Wood Protection: Lonza's Wood Protection business produces industrial biocides and preservatives (including Tanalith products) used in pressure-treated lumber and poles globally. It represents the chemical-preservation status quo that ROTBLOC's non-toxic wrap approach is positioned against.
• Osmose Utilities Services: Osmose provides utility pole inspection, treatment, and rehabilitation services for electric utilities, including ground-line restoration. It competes with ROTBLOC UTL for utility maintenance budgets, though via service-based remediation rather than preventive wrap installation.
• Koppers Holdings: Koppers is the largest North American supplier of chemically treated wood products, including utility poles, rail ties, and pilings. It addresses the same end-problem (wood post/pole decay) via chemical preservation rather than physical barrier, representing ROTBLOC's primary competing solution.
• Viance (Arxada): Viance (now part of Arxada) supplies wood preservative chemistries (e.g., DCOI, ACQ) used to extend wood service life in decks, fences, and posts. As a chemical-treatment incumbent, it is the primary alternative ROTBLOC's physical barrier displaces in conventional construction.

Direct peers

• PostProtector: PostProtector by Game Country sells physical barrier sleeves and wraps for wood fence posts aimed at preventing ground-line rot in the residential DIY channel — a near-identical product category to ROTBLOC's 4x4/6x6 post wraps, competing head-to-head at retail.
• Post Shield: Post Shield markets plastic post sleeves designed to extend the life of wooden fence and deck posts by blocking moisture at the ground-line, directly overlapping with ROTBLOC's value proposition in the decking and fencing segments.
• Armor-Guard Products: Armor-Guard produces barrier wrap systems for utility poles and posts targeting ground-line rot protection — competing directly with ROTBLOC UTL in the utility and commercial agriculture channels.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/Rotbloc
• Instagraminstagram.com/rotbloc_llc
• Pinterestpinterest.com/rotbloc
• LinkedInlinkedin.com/company/rotbloc-llc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rotbloc