B
Evidence Grade B
Graded
under review
Safe to Cite
Current
30%
30% -- conversion increase for roofing contractor (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
30%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
LettrLabs
Primary
Tier C
https://www.lettrlabs.com/post/contracting-leads ↗
Source Article
Boost contracting leads with personalized direct mail strategies from LettrLabs.
Contracting Leads: The Key to Growing Your Business
Contracting leads are the lifeblood of your business, yet many contractors struggle to capture and convert them effectively. Imagine transforming your lead generation process into a streamlined, efficient machine that not only attracts potential cl…
Original Research
LettrLabs
· Original study ↗
Methodology
Increase in conversions after targeting anonymous website visitors with personalized direct mail.
Methodology documented
Segmentation
IndustryConstruction
Channeldirect_mail
Cite this stat
Plain Text
roofing contractor: 30% conversion increase. Source: LettrLabs (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/roofing-conversion-increase
HTML Embed
<blockquote cite="https://lighthousedata.io/data/roofing-conversion-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- conversion increase for roofing contractor<br><small>Source: LettrLabs (2026) · <a href="https://lighthousedata.io/data/roofing-conversion-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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